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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#104-109" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_alloc() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#106-111" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_alloc() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_allocator_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#116-131" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_allocator_test()</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_allocator_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#118-133" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_allocator_test()</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_dealloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#111-113" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_dealloc(ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_dealloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#113-115" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_dealloc(ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">init_frame_allocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#94-104" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn init_frame_allocator()</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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</a><h2 class="location"><a href="#">Struct FRAME_ALLOCATOR</a></h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#fields">Fields</a></h3><div class="sidebar-links"><a href="#structfield.__private_field">__private_field</a></div><h3 class="sidebar-title"><a href="#deref-methods-UPIntrFreeCell%3CStackFrameAllocator%3E">Methods from Deref&lt;Target=UPIntrFreeCell&lt;StackFrameAllocator&gt;&gt;</a></h3><div class="sidebar-links"><a href="#method.exclusive_access">exclusive_access</a><a href="#method.exclusive_session">exclusive_session</a></div><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-Deref">Deref</a><a href="#impl-LazyStatic">LazyStatic</a></div><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><h2 class="location">Other items in<br><a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a></h2><div id="sidebar-vars" data-name="FRAME_ALLOCATOR" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div>
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<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="struct" href="#">FRAME_ALLOCATOR</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#85-90" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct FRAME_ALLOCATOR {
<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="struct" href="#">FRAME_ALLOCATOR</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#87-92" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct FRAME_ALLOCATOR {
__private_field: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.unit.html">()</a>,
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.__private_field" class="structfield small-section-header"><a href="#structfield.__private_field" class="anchor field"></a><code>__private_field: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.unit.html">()</a></code></span><h2 id="deref-methods-UPIntrFreeCell%3CStackFrameAllocator%3E" class="small-section-header"><span>Methods from <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a>&lt;Target = <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>&gt;&gt;</span><a href="#deref-methods-UPIntrFreeCell%3CStackFrameAllocator%3E" class="anchor"></a></h2><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.exclusive_access" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/sync/up.rs.html#106-109" title="goto source code">source</a></div><a href="#method.exclusive_access" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.exclusive_access" class="fnname">exclusive_access</a>(&amp;self) -&gt; <a class="struct" href="../../sync/up/struct.UPIntrRefMut.html" title="struct os::sync::up::UPIntrRefMut">UPIntrRefMut</a>&lt;'_, T&gt;</h4></div></summary><div class="docblock"><p>Panic if the data has been borrowed.</p>
</div></details><div id="method.exclusive_session" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/sync/up.rs.html#111-114" title="goto source code">source</a></div><a href="#method.exclusive_session" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.exclusive_session" class="fnname">exclusive_session</a>&lt;F, V&gt;(&amp;self, f: F) -&gt; V <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T) -&gt; V,&nbsp;</span></h4></div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Deref" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#85-90" title="goto source code">source</a></div><a href="#impl-Deref" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Target" class="type trait-impl has-srclink"><a href="#associatedtype.Target" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" class="associatedtype">Target</a> = <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>&gt;</h4></div></summary><div class='docblock'><p>The resulting type after dereferencing.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.deref" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#85-90" title="goto source code">source</a></div><a href="#method.deref" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref" class="fnname">deref</a>(&amp;self) -&gt; &amp;<a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>&gt;</h4></div></summary><div class='docblock'><p>Dereferences the value.</p>
</div></details></div></details><div id="impl-LazyStatic" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#85-90" title="goto source code">source</a></div><a href="#impl-LazyStatic" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://docs.rs/lazy_static/1.4.0/lazy_static/trait.LazyStatic.html" title="trait lazy_static::LazyStatic">LazyStatic</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details><div id="method.exclusive_session" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/sync/up.rs.html#111-114" title="goto source code">source</a></div><a href="#method.exclusive_session" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.exclusive_session" class="fnname">exclusive_session</a>&lt;F, V&gt;(&amp;self, f: F) -&gt; V <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T) -&gt; V,&nbsp;</span></h4></div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Deref" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#87-92" title="goto source code">source</a></div><a href="#impl-Deref" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Target" class="type trait-impl has-srclink"><a href="#associatedtype.Target" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" class="associatedtype">Target</a> = <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>&gt;</h4></div></summary><div class='docblock'><p>The resulting type after dereferencing.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.deref" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#87-92" title="goto source code">source</a></div><a href="#method.deref" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref" class="fnname">deref</a>(&amp;self) -&gt; &amp;<a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>&gt;</h4></div></summary><div class='docblock'><p>Dereferences the value.</p>
</div></details></div></details><div id="impl-LazyStatic" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#87-92" title="goto source code">source</a></div><a href="#impl-LazyStatic" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://docs.rs/lazy_static/1.4.0/lazy_static/trait.LazyStatic.html" title="trait lazy_static::LazyStatic">LazyStatic</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.FRAME_ALLOCATOR.html" title="struct os::mm::frame_allocator::FRAME_ALLOCATOR">FRAME_ALLOCATOR</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-From%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549-553" title="goto source code">source</a></div><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#550" title="goto source code">source</a></div><a href="#method.from" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></div></summary><div class='docblock'><p>Performs the conversion.</p>

2
ch9-log/os/mm/frame_allocator/struct.FrameTracker.html
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@ -5,7 +5,7 @@
<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="struct" href="#">FrameTracker</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#8-10" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct FrameTracker {
pub ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>,
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.ppn" class="structfield small-section-header"><a href="#structfield.ppn" class="anchor field"></a><code>ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#12-21" title="goto source code">source</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div></summary><div class="impl-items"><div id="method.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#13-20" title="goto source code">source</a></div><a href="#method.new" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>) -&gt; Self</h4></div></div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Debug" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#23-27" title="goto source code">source</a></div><a href="#impl-Debug" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.fmt" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#24-26" title="goto source code">source</a></div><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></div></summary><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#29-33" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#30-32" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#29-35" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#30-34" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>

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</a><h2 class="location"><a href="#">Trait FrameAllocator</a></h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.alloc">alloc</a><a href="#tymethod.dealloc">dealloc</a><a href="#tymethod.new">new</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a></h2><div id="sidebar-vars" data-name="FrameAllocator" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div>
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<h1 class="fqn"><span class="in-band">Trait <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="trait" href="#">FrameAllocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#35-39" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>trait FrameAllocator {
<h1 class="fqn"><span class="in-band">Trait <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="trait" href="#">FrameAllocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#37-41" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>trait FrameAllocator {
fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self;
<div class="item-spacer"></div> fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;;
<div class="item-spacer"></div> fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>);
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#36" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self</h4></div><div id="tymethod.alloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#37" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;</h4></div><div id="tymethod.dealloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#38" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-FrameAllocator" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#54-81" title="goto source code">source</a></div><a href="#impl-FrameAllocator" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.FrameAllocator.html" title="trait os::mm::frame_allocator::FrameAllocator">FrameAllocator</a> for <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a></h3></div></div><script type="text/javascript" src="../../../implementors/os/mm/frame_allocator/trait.FrameAllocator.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#38" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self</h4></div><div id="tymethod.alloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#39" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;</h4></div><div id="tymethod.dealloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#40" title="goto source code">source</a></div><h4 class="code-header">fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-FrameAllocator" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#56-83" title="goto source code">source</a></div><a href="#impl-FrameAllocator" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.FrameAllocator.html" title="trait os::mm::frame_allocator::FrameAllocator">FrameAllocator</a> for <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a></h3></div></div><script type="text/javascript" src="../../../implementors/os/mm/frame_allocator/trait.FrameAllocator.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Type Definition <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="type" href="#">FrameAllocatorImpl</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#83" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust typedef"><code>type FrameAllocatorImpl = <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Type Definition <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="type" href="#">FrameAllocatorImpl</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#85" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust typedef"><code>type FrameAllocatorImpl = <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_kill</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#114-126" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_kill(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, signal: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_kill</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#117-129" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_kill(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, signal: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u32.html">u32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_waitpid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#79-112" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_waitpid(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a>, exit_code_ptr: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>If there is not a child process whose pid is same as given, return -1.
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">process</a>::<wbr><a class="fn" href="#">sys_waitpid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#79-115" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_waitpid(pid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a>, exit_code_ptr: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>If there is not a child process whose pid is same as given, return -1.
Else if there is a child process but it is still running, return -2.</p>
</div></details></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a class="mod" href="#">process</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/process.rs.html#1-126" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2>
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<div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_exec.html" title="os::syscall::process::sys_exec fn">sys_exec</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_exit.html" title="os::syscall::process::sys_exit fn">sys_exit</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_fork.html" title="os::syscall::process::sys_fork fn">sys_fork</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_get_time.html" title="os::syscall::process::sys_get_time fn">sys_get_time</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_getpid.html" title="os::syscall::process::sys_getpid fn">sys_getpid</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_kill.html" title="os::syscall::process::sys_kill fn">sys_kill</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_waitpid.html" title="os::syscall::process::sys_waitpid fn">sys_waitpid</a></div><div class="item-right docblock-short"><p>If there is not a child process whose pid is same as given, return -1.
Else if there is a child process but it is still running, return -2.</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_yield.html" title="os::syscall::process::sys_yield fn">sys_yield</a></div><div class="item-right docblock-short"></div></div></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>

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<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">add_initproc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#126-130" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn add_initproc()</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">add_initproc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#138-142" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn add_initproc()</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">check_signals_of_current</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#132-136" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn check_signals_of_current() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>, &amp;'static <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">)</a>&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">check_signals_of_current</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#144-148" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn check_signals_of_current() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>, &amp;'static <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">)</a>&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">current_add_signal</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#138-142" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn current_add_signal(signal: <a class="struct" href="signal/struct.SignalFlags.html" title="struct os::task::signal::SignalFlags">SignalFlags</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">current_add_signal</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#150-154" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn current_add_signal(signal: <a class="struct" href="signal/struct.SignalFlags.html" title="struct os::task::signal::SignalFlags">SignalFlags</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">exit_current_and_run_next</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#63-115" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn exit_current_and_run_next(exit_code: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="fn" href="#">exit_current_and_run_next</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#63-127" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn exit_current_and_run_next(exit_code: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.i32.html">i32</a>)</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">kernel_stack_position</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#69-75" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn kernel_stack_position(kstack_id: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">)</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Return (bottom, top) of a kernel stack in kernel space.</p>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">kernel_stack_position</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#71-77" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn kernel_stack_position(kstack_id: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.tuple.html">)</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Return (bottom, top) of a kernel stack in kernel space.</p>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">kstack_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#79-90" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn kstack_alloc() -&gt; <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">kstack_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#81-92" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn kstack_alloc() -&gt; <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">trap_cx_bottom_from_tid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#127-129" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>fn trap_cx_bottom_from_tid(tid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">trap_cx_bottom_from_tid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#131-133" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>fn trap_cx_bottom_from_tid(tid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">ustack_bottom_from_tid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#131-133" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>fn ustack_bottom_from_tid(ustack_base: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, tid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
<h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="fn" href="#">ustack_bottom_from_tid</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#135-137" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>fn ustack_bottom_from_tid(ustack_base: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>, tid: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="struct" href="#">KernelStack</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#77" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct KernelStack(pub <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>);</code></pre></div><h2 id="fields" class="fields small-section-header">Tuple Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.0" class="structfield small-section-header"><a href="#structfield.0" class="anchor field"></a><code>0: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#102-119" title="goto source code">source</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div></summary><div class="impl-items"><div id="method.push_on_top" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#104-114" title="goto source code">source</a></div><a href="#method.push_on_top" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.push_on_top" class="fnname">push_on_top</a>&lt;T&gt;(&amp;self, value: T) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut T</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h4></div><div id="method.get_top" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#115-118" title="goto source code">source</a></div><a href="#method.get_top" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.get_top" class="fnname">get_top</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#92-100" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#93-99" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="struct" href="#">KernelStack</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#79" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct KernelStack(pub <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>);</code></pre></div><h2 id="fields" class="fields small-section-header">Tuple Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.0" class="structfield small-section-header"><a href="#structfield.0" class="anchor field"></a><code>0: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#106-123" title="goto source code">source</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div></summary><div class="impl-items"><div id="method.push_on_top" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#108-118" title="goto source code">source</a></div><a href="#method.push_on_top" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.push_on_top" class="fnname">push_on_top</a>&lt;T&gt;(&amp;self, value: T) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.pointer.html">*mut T</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h4></div><div id="method.get_top" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#119-122" title="goto source code">source</a></div><a href="#method.get_top" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.get_top" class="fnname">get_top</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#94-104" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#95-103" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.KernelStack.html" title="struct os::task::id::KernelStack">KernelStack</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>

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<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="struct" href="#">PidHandle</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#56" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct PidHandle(pub <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>);</code></pre></div><h2 id="fields" class="fields small-section-header">Tuple Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.0" class="structfield small-section-header"><a href="#structfield.0" class="anchor field"></a><code>0: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></span><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#62-66" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#63-65" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">id</a>::<wbr><a class="struct" href="#">PidHandle</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/id.rs.html#56" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct PidHandle(pub <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>);</code></pre></div><h2 id="fields" class="fields small-section-header">Tuple Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.0" class="structfield small-section-header"><a href="#structfield.0" class="anchor field"></a><code>0: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></code></span><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Drop" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#62-68" title="goto source code">source</a></div><a href="#impl-Drop" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop">Drop</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.drop" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/id.rs.html#63-67" title="goto source code">source</a></div><a href="#method.drop" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop" class="fnname">drop</a>(&amp;mut self)</h4></div></summary><div class='docblock'><p>Executes the destructor for this type. <a href="https://doc.rust-lang.org/nightly/core/ops/drop/trait.Drop.html#tymethod.drop">Read more</a></p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>

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<noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div>
</a><h2 class="location"><a href="#">Module process</a></h2><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li></ul></div><div id="sidebar-vars" data-name="process" data-ty="mod" data-relpath="./"></div><script defer src="./sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div>
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<h1 class="fqn"><span class="in-band">Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a class="mod" href="#">process</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/process.rs.html#1-284" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2>
<h1 class="fqn"><span class="in-band">Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a class="mod" href="#">process</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/process.rs.html#1-290" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2>
<div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.ProcessControlBlock.html" title="os::task::process::ProcessControlBlock struct">ProcessControlBlock</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.ProcessControlBlockInner.html" title="os::task::process::ProcessControlBlockInner struct">ProcessControlBlockInner</a></div><div class="item-right docblock-short"></div></div></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (9ad5d82f8 2022-01-18)" ></div>
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<h1 class="fqn"><span class="in-band">Struct <a href="../../index.html">os</a>::<wbr><a href="../index.html">task</a>::<wbr><a href="index.html">process</a>::<wbr><a class="struct" href="#">ProcessControlBlock</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/task/process.rs.html#15-20" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct ProcessControlBlock {
pub pid: <a class="struct" href="../id/struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a>,
inner: <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.ProcessControlBlockInner.html" title="struct os::task::process::ProcessControlBlockInner">ProcessControlBlockInner</a>&gt;,
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.pid" class="structfield small-section-header"><a href="#structfield.pid" class="anchor field"></a><code>pid: <a class="struct" href="../id/struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></code></span><span id="structfield.inner" class="structfield small-section-header"><a href="#structfield.inner" class="anchor field"></a><code>inner: <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.ProcessControlBlockInner.html" title="struct os::task::process::ProcessControlBlockInner">ProcessControlBlockInner</a>&gt;</code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#69-284" title="goto source code">source</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div></summary><div class="impl-items"><div id="method.inner_exclusive_access" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#70-72" title="goto source code">source</a></div><a href="#method.inner_exclusive_access" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.inner_exclusive_access" class="fnname">inner_exclusive_access</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self<br>) -&gt; <a class="struct" href="../../sync/up/struct.UPIntrRefMut.html" title="struct os::sync::up::UPIntrRefMut">UPIntrRefMut</a>&lt;'_, <a class="struct" href="struct.ProcessControlBlockInner.html" title="struct os::task::process::ProcessControlBlockInner">ProcessControlBlockInner</a>&gt;</h4></div><div id="method.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#74-144" title="goto source code">source</a></div><a href="#method.new" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(elf_data: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">]</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;</h4></div><details class="rustdoc-toggle method-toggle" open><summary><div id="method.exec" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#147-199" title="goto source code">source</a></div><a href="#method.exec" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.exec" class="fnname">exec</a>(self: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;, elf_data: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">]</a>, args: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;)</h4></div></summary><div class="docblock"><p>Only support processes with a single thread.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.fork" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#202-279" title="goto source code">source</a></div><a href="#method.fork" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.fork" class="fnname">fork</a>(self: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;</h4></div></summary><div class="docblock"><p>Only support processes with a single thread.</p>
</div></details><div id="method.getpid" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#281-283" title="goto source code">source</a></div><a href="#method.getpid" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.getpid" class="fnname">getpid</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div></details><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.pid" class="structfield small-section-header"><a href="#structfield.pid" class="anchor field"></a><code>pid: <a class="struct" href="../id/struct.PidHandle.html" title="struct os::task::id::PidHandle">PidHandle</a></code></span><span id="structfield.inner" class="structfield small-section-header"><a href="#structfield.inner" class="anchor field"></a><code>inner: <a class="struct" href="../../sync/up/struct.UPIntrFreeCell.html" title="struct os::sync::up::UPIntrFreeCell">UPIntrFreeCell</a>&lt;<a class="struct" href="struct.ProcessControlBlockInner.html" title="struct os::task::process::ProcessControlBlockInner">ProcessControlBlockInner</a>&gt;</code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#69-290" title="goto source code">source</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div></summary><div class="impl-items"><div id="method.inner_exclusive_access" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#70-72" title="goto source code">source</a></div><a href="#method.inner_exclusive_access" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.inner_exclusive_access" class="fnname">inner_exclusive_access</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self<br>) -&gt; <a class="struct" href="../../sync/up/struct.UPIntrRefMut.html" title="struct os::sync::up::UPIntrRefMut">UPIntrRefMut</a>&lt;'_, <a class="struct" href="struct.ProcessControlBlockInner.html" title="struct os::task::process::ProcessControlBlockInner">ProcessControlBlockInner</a>&gt;</h4></div><div id="method.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#74-144" title="goto source code">source</a></div><a href="#method.new" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(elf_data: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">]</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;</h4></div><details class="rustdoc-toggle method-toggle" open><summary><div id="method.exec" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#147-205" title="goto source code">source</a></div><a href="#method.exec" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.exec" class="fnname">exec</a>(self: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;, elf_data: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">&amp;[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.slice.html">]</a>, args: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;)</h4></div></summary><div class="docblock"><p>Only support processes with a single thread.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.fork" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#208-285" title="goto source code">source</a></div><a href="#method.fork" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.fork" class="fnname">fork</a>(self: &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Self&gt;</h4></div></summary><div class="docblock"><p>Only support processes with a single thread.</p>
</div></details><div id="method.getpid" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/task/process.rs.html#287-289" title="goto source code">source</a></div><a href="#method.getpid" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.getpid" class="fnname">getpid</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></div></div></details><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-From%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549-553" title="goto source code">source</a></div><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#550" title="goto source code">source</a></div><a href="#method.from" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></div></summary><div class='docblock'><p>Performs the conversion.</p>

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</a><h2 class="location"><a href="#">Struct INITPROC</a></h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#fields">Fields</a></h3><div class="sidebar-links"><a href="#structfield.__private_field">__private_field</a></div><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-Deref">Deref</a><a href="#impl-LazyStatic">LazyStatic</a></div><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a></div></div><h2 class="location">Other items in<br><a href="../index.html">os</a>::<wbr><a href="index.html">task</a></h2><div id="sidebar-vars" data-name="INITPROC" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../os/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div>
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<h1 class="fqn"><span class="in-band">Struct <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="struct" href="#">INITPROC</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#117-124" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct INITPROC {
<h1 class="fqn"><span class="in-band">Struct <a href="../index.html">os</a>::<wbr><a href="index.html">task</a>::<wbr><a class="struct" href="#">INITPROC</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/os/task/mod.rs.html#129-136" title="goto source code">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct INITPROC {
__private_field: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.unit.html">()</a>,
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.__private_field" class="structfield small-section-header"><a href="#structfield.__private_field" class="anchor field"></a><code>__private_field: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.unit.html">()</a></code></span><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Deref" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#117-124" title="goto source code">source</a></div><a href="#impl-Deref" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Target" class="type trait-impl has-srclink"><a href="#associatedtype.Target" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" class="associatedtype">Target</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="process/struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a>&gt;</h4></div></summary><div class='docblock'><p>The resulting type after dereferencing.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.deref" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#117-124" title="goto source code">source</a></div><a href="#method.deref" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref" class="fnname">deref</a>(&amp;self) -&gt; &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="process/struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a>&gt;</h4></div></summary><div class='docblock'><p>Dereferences the value.</p>
</div></details></div></details><div id="impl-LazyStatic" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#117-124" title="goto source code">source</a></div><a href="#impl-LazyStatic" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://docs.rs/lazy_static/1.4.0/lazy_static/trait.LazyStatic.html" title="trait lazy_static::LazyStatic">LazyStatic</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.__private_field" class="structfield small-section-header"><a href="#structfield.__private_field" class="anchor field"></a><code>__private_field: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.unit.html">()</a></code></span><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Deref" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#129-136" title="goto source code">source</a></div><a href="#impl-Deref" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html" title="trait core::ops::deref::Deref">Deref</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Target" class="type trait-impl has-srclink"><a href="#associatedtype.Target" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#associatedtype.Target" class="associatedtype">Target</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="process/struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a>&gt;</h4></div></summary><div class='docblock'><p>The resulting type after dereferencing.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.deref" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#129-136" title="goto source code">source</a></div><a href="#method.deref" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/deref/trait.Deref.html#tymethod.deref" class="fnname">deref</a>(&amp;self) -&gt; &amp;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;<a class="struct" href="process/struct.ProcessControlBlock.html" title="struct os::task::process::ProcessControlBlock">ProcessControlBlock</a>&gt;</h4></div></summary><div class='docblock'><p>Dereferences the value.</p>
</div></details></div></details><div id="impl-LazyStatic" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/os/task/mod.rs.html#129-136" title="goto source code">source</a></div><a href="#impl-LazyStatic" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://docs.rs/lazy_static/1.4.0/lazy_static/trait.LazyStatic.html" title="trait lazy_static::LazyStatic">LazyStatic</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.INITPROC.html" title="struct os::task::INITPROC">INITPROC</a></h3></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136" title="goto source code">source</a></div><a href="#impl-Any" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133" title="goto source code">source</a></div><a href="#method.type_id" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214" title="goto source code">source</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211" title="goto source code">source</a></div><a href="#method.borrow" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;</a>T</h4></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222" title="goto source code">source</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219" title="goto source code">source</a></div><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut </a>T</h4></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-From%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549-553" title="goto source code">source</a></div><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#550" title="goto source code">source</a></div><a href="#method.from" class="anchor"></a><h4 class="code-header">pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></div></summary><div class='docblock'><p>Performs the conversion.</p>

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</pre><pre class="rust"><code><span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">PhysAddr</span>, <span class="ident">PhysPageNum</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::config::MEMORY_END</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::sync::UPIntrFreeCell</span>;
@ -162,7 +164,9 @@
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">FrameTracker</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] mm::frame_allocator::Drop&lt;FrameTracker&gt;::drop begin&quot;</span>);
<span class="ident">frame_dealloc</span>(<span class="self">self</span>.<span class="ident">ppn</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] mm::frame_allocator::Drop&lt;FrameTracker&gt;::drop end&quot;</span>);
}
}

6
ch9-log/src/os/syscall/process.rs.html
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@ -127,6 +127,9 @@
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::fs</span>::{<span class="ident">open_file</span>, <span class="ident">OpenFlags</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">translated_ref</span>, <span class="ident">translated_refmut</span>, <span class="ident">translated_str</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::task</span>::{
@ -225,14 +228,17 @@
<span class="comment">// ++++ release child PCB</span>
});
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">idx</span>, <span class="kw">_</span>)) <span class="op">=</span> <span class="ident">pair</span> {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] syscall::process::sys_waitpid(): remove child from PCB&#39;s children Vector&quot;</span>);
<span class="kw">let</span> <span class="ident">child</span> <span class="op">=</span> <span class="ident">inner</span>.<span class="ident">children</span>.<span class="ident">remove</span>(<span class="ident">idx</span>);
<span class="comment">// confirm that child will be deallocated after being removed from children list</span>
<span class="macro">assert_eq!</span>(<span class="ident">Arc::strong_count</span>(<span class="kw-2">&amp;</span><span class="ident">child</span>), <span class="number">1</span>);
<span class="kw">let</span> <span class="ident">found_pid</span> <span class="op">=</span> <span class="ident">child</span>.<span class="ident">getpid</span>();
<span class="comment">// ++++ temporarily access child PCB exclusively</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] syscall::process::sys_waitpid(): get child&#39;s exit_code and return child pid&quot;</span>);
<span class="kw">let</span> <span class="ident">exit_code</span> <span class="op">=</span> <span class="ident">child</span>.<span class="ident">inner_exclusive_access</span>().<span class="ident">exit_code</span>;
<span class="comment">// ++++ release child PCB</span>
<span class="kw-2">*</span><span class="ident">translated_refmut</span>(<span class="ident">inner</span>.<span class="ident">memory_set</span>.<span class="ident">token</span>(), <span class="ident">exit_code_ptr</span>) <span class="op">=</span> <span class="ident">exit_code</span>;
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] syscall::process::sys_waitpid(): release child PCB&quot;</span>);
<span class="ident">found_pid</span> <span class="kw">as</span> <span class="ident">isize</span>
} <span class="kw">else</span> {
<span class="op">-</span><span class="number">2</span>

12
ch9-log/src/os/task/id.rs.html
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@ -247,6 +247,12 @@
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">super</span>::ProcessControlBlock</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::config</span>::{<span class="ident">KERNEL_STACK_SIZE</span>, <span class="ident">PAGE_SIZE</span>, <span class="ident">TRAMPOLINE</span>, <span class="ident">TRAP_CONTEXT_BASE</span>, <span class="ident">USER_STACK_SIZE</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">MapPermission</span>, <span class="ident">PhysPageNum</span>, <span class="ident">VirtAddr</span>, <span class="ident">KERNEL_SPACE</span>};
@ -310,7 +316,9 @@
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">PidHandle</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;PidHandle&gt;::drop begin&quot;</span>);
<span class="ident">PID_ALLOCATOR</span>.<span class="ident">exclusive_access</span>().<span class="ident">dealloc</span>(<span class="self">self</span>.<span class="number">0</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;PidHandle&gt;::drop end&quot;</span>);
}
}
@ -340,11 +348,13 @@
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">KernelStack</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;KernelStack&gt;::drop begin&quot;</span>);
<span class="kw">let</span> (<span class="ident">kernel_stack_bottom</span>, <span class="kw">_</span>) <span class="op">=</span> <span class="ident">kernel_stack_position</span>(<span class="self">self</span>.<span class="number">0</span>);
<span class="kw">let</span> <span class="ident">kernel_stack_bottom_va</span>: <span class="ident">VirtAddr</span> <span class="op">=</span> <span class="ident">kernel_stack_bottom</span>.<span class="ident">into</span>();
<span class="ident">KERNEL_SPACE</span>
.<span class="ident">exclusive_access</span>()
.<span class="ident">remove_area_with_start_vpn</span>(<span class="ident">kernel_stack_bottom_va</span>.<span class="ident">into</span>());
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;KernelStack&gt;::drop end&quot;</span>);
}
}
@ -489,8 +499,10 @@
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">TaskUserRes</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;TaskUserRes&gt;::drop begin&quot;</span>);
<span class="self">self</span>.<span class="ident">dealloc_tid</span>();
<span class="self">self</span>.<span class="ident">dealloc_user_res</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::id::Drop&lt;TaskUserRes&gt;::drop end&quot;</span>);
}
}
</code></pre></div>

28
ch9-log/src/os/task/mod.rs.html
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@ -143,6 +143,18 @@
<span id="140">140</span>
<span id="141">141</span>
<span id="142">142</span>
<span id="143">143</span>
<span id="144">144</span>
<span id="145">145</span>
<span id="146">146</span>
<span id="147">147</span>
<span id="148">148</span>
<span id="149">149</span>
<span id="150">150</span>
<span id="151">151</span>
<span id="152">152</span>
<span id="153">153</span>
<span id="154">154</span>
</pre><pre class="rust"><code><span class="kw">mod</span> <span class="ident">context</span>;
<span class="kw">mod</span> <span class="ident">id</span>;
<span class="kw">mod</span> <span class="ident">manager</span>;
@ -212,24 +224,32 @@
<span class="kw">let</span> <span class="ident">process</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">process</span>.<span class="ident">upgrade</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">tid</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">tid</span>;
<span class="comment">// record exit code</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): record exit code in task_inner&quot;</span>);
<span class="ident">task_inner</span>.<span class="ident">exit_code</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">exit_code</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): TaskUserRes =&gt;None&quot;</span>);
<span class="ident">task_inner</span>.<span class="ident">res</span> <span class="op">=</span> <span class="prelude-val">None</span>;
<span class="comment">// here we do not remove the thread since we are still using the kstack</span>
<span class="comment">// it will be deallocated when sys_waittid is called</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): drop task_inner&quot;</span>);
<span class="ident">drop</span>(<span class="ident">task_inner</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): drop task&quot;</span>);
<span class="ident">drop</span>(<span class="ident">task</span>);
<span class="comment">// however, if this is the main thread of current process</span>
<span class="comment">// the process should terminate at once</span>
<span class="kw">if</span> <span class="ident">tid</span> <span class="op">==</span> <span class="number">0</span> {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): it&#39;s main thread, process should terminate at once&quot;</span>);
<span class="ident">remove_from_pid2process</span>(<span class="ident">process</span>.<span class="ident">getpid</span>());
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">process_inner</span> <span class="op">=</span> <span class="ident">process</span>.<span class="ident">inner_exclusive_access</span>();
<span class="comment">// mark this process as a zombie process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): mark this process as a zombie process&quot;</span>);
<span class="ident">process_inner</span>.<span class="ident">is_zombie</span> <span class="op">=</span> <span class="bool-val">true</span>;
<span class="comment">// record exit code of main process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): record exit code in process_inner&quot;</span>);
<span class="ident">process_inner</span>.<span class="ident">exit_code</span> <span class="op">=</span> <span class="ident">exit_code</span>;
{
<span class="comment">// move all child processes under init process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): move all child processes under INITPROC&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">initproc_inner</span> <span class="op">=</span> <span class="ident">INITPROC</span>.<span class="ident">inner_exclusive_access</span>();
<span class="kw">for</span> <span class="ident">child</span> <span class="kw">in</span> <span class="ident">process_inner</span>.<span class="ident">children</span>.<span class="ident">iter</span>() {
<span class="ident">child</span>.<span class="ident">inner_exclusive_access</span>().<span class="ident">parent</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Arc::downgrade</span>(<span class="kw-2">&amp;</span><span class="ident">INITPROC</span>));
@ -240,22 +260,26 @@
<span class="comment">// deallocate user res (including tid/trap_cx/ustack) of all threads</span>
<span class="comment">// it has to be done before we dealloc the whole memory_set</span>
<span class="comment">// otherwise they will be deallocated twice</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): deallocate user res (tid/trap_cx/ustack) of all threads&quot;</span>);
<span class="kw">for</span> <span class="ident">task</span> <span class="kw">in</span> <span class="ident">process_inner</span>.<span class="ident">tasks</span>.<span class="ident">iter</span>().<span class="ident">filter</span>(<span class="op">|</span><span class="ident">t</span><span class="op">|</span> <span class="ident">t</span>.<span class="ident">is_some</span>()) {
<span class="kw">let</span> <span class="ident">task</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">task_inner</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">inner_exclusive_access</span>();
<span class="ident">task_inner</span>.<span class="ident">res</span> <span class="op">=</span> <span class="prelude-val">None</span>;
}
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): clear children Vector in process_inner&quot;</span>);
<span class="ident">process_inner</span>.<span class="ident">children</span>.<span class="ident">clear</span>();
<span class="comment">// deallocate other data in user space i.e. program code/data section</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): deallocate code/data in user space&quot;</span>);
<span class="ident">process_inner</span>.<span class="ident">memory_set</span>.<span class="ident">recycle_data_pages</span>();
<span class="comment">// drop file descriptors</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): drop file descriptors&quot;</span>);
<span class="ident">process_inner</span>.<span class="ident">fd_table</span>.<span class="ident">clear</span>();
}
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next(): drop process&quot;</span>);
<span class="ident">drop</span>(<span class="ident">process</span>);
<span class="comment">// we do not have to save task context</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">_unused</span> <span class="op">=</span> <span class="ident">TaskContext::zero_init</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next() end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::exit_current_and_run_next() end, sched next task&quot;</span>);
<span class="ident">schedule</span>(<span class="kw-2">&amp;mut</span> <span class="ident">_unused</span> <span class="kw">as</span> <span class="kw-2">*mut</span> <span class="kw">_</span>);
}

68
ch9-log/src/os/task/process.rs.html
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@ -285,6 +285,12 @@
<span id="282">282</span>
<span id="283">283</span>
<span id="284">284</span>
<span id="285">285</span>
<span id="286">286</span>
<span id="287">287</span>
<span id="288">288</span>
<span id="289">289</span>
<span id="290">290</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">super</span>::id::RecycleAllocator</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">super</span>::manager::insert_into_pid2process</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">super</span>::TaskControlBlock</span>;
@ -359,14 +365,14 @@
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">elf_data</span>: <span class="kw-2">&amp;</span>[<span class="ident">u8</span>]) -&gt; <span class="ident">Arc</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span> {
<span class="comment">// memory_set with elf program headers/trampoline/trap context/user stack</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new() begin&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): build MemorySet, set user_stack_base, set entry_point&quot;</span>);
<span class="comment">// memory_set with elf program headers/trampoline/user stack_base addr/entry_point</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new() begin&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): build MemorySet, set trampoline, user_stack_base, entry_point...&quot;</span>);
<span class="kw">let</span> (<span class="ident">memory_set</span>, <span class="ident">ustack_base</span>, <span class="ident">entry_point</span>) <span class="op">=</span> <span class="ident">MemorySet::from_elf</span>(<span class="ident">elf_data</span>);
<span class="comment">// allocate a pid</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): allocate a pid&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): allocate a pid&quot;</span>);
<span class="kw">let</span> <span class="ident">pid_handle</span> <span class="op">=</span> <span class="ident">pid_alloc</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): new ProcessControlBlockInner&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): new ProcessControlBlockInner&quot;</span>);
<span class="kw">let</span> <span class="ident">process</span> <span class="op">=</span> <span class="ident">Arc::new</span>(<span class="self">Self</span> {
<span class="ident">pid</span>: <span class="ident">pid_handle</span>,
<span class="ident">inner</span>: <span class="kw">unsafe</span> {
@ -394,15 +400,15 @@
},
});
<span class="comment">// create a main thread, we should allocate ustack and trap_cx here</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): create a main thread begin&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): create a main thread: new TCB(alloc kstack, utack &amp; trap_cx...) &quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): create a main thread... start&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): create a main thread: new TCB(alloc kstack, utack &amp; trap_cx...) &quot;</span>);
<span class="kw">let</span> <span class="ident">task</span> <span class="op">=</span> <span class="ident">Arc::new</span>(<span class="ident">TaskControlBlock::new</span>(
<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">process</span>),
<span class="ident">ustack_base</span>,
<span class="bool-val">true</span>,
));
<span class="comment">// prepare trap_cx of main thread</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): create a main thread: set trap_cx(entry_point, ustack_top, k_satp, k_sp, trap_handler) &quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): create a main thread: set trap_cx(entry_point, ustack_top, k_satp, k_sp, trap_handler) &quot;</span>);
<span class="kw">let</span> <span class="ident">task_inner</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">inner_exclusive_access</span>();
<span class="kw">let</span> <span class="ident">trap_cx</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">get_trap_cx</span>();
<span class="kw">let</span> <span class="ident">ustack_top</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>().<span class="ident">ustack_top</span>();
@ -415,38 +421,43 @@
<span class="ident">kstack_top</span>,
<span class="ident">trap_handler</span> <span class="kw">as</span> <span class="ident">usize</span>,
);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): create a main thread end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): create a main thread... done&quot;</span>);
<span class="comment">// add main thread to the process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): add main thread to the process&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): add main thread to the process&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">process_inner</span> <span class="op">=</span> <span class="ident">process</span>.<span class="ident">inner_exclusive_access</span>();
<span class="ident">process_inner</span>.<span class="ident">tasks</span>.<span class="ident">push</span>(<span class="prelude-val">Some</span>(<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">task</span>)));
<span class="ident">drop</span>(<span class="ident">process_inner</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): insert &lt;pid, PCB&gt; in PID2PCB BTreeMap&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): insert &lt;pid, PCB&gt; in PID2PCB BTreeMap&quot;</span>);
<span class="ident">insert_into_pid2process</span>(<span class="ident">process</span>.<span class="ident">getpid</span>(), <span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">process</span>));
<span class="comment">// add main thread to scheduler</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new(): add_task(task): add main thread to scheduler&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new(): add_task(task): add main thread to scheduler&quot;</span>);
<span class="ident">add_task</span>(<span class="ident">task</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::new() end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::new() end&quot;</span>);
<span class="ident">process</span>
}
<span class="doccomment">/// Only support processes with a single thread.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">exec</span>(<span class="self">self</span>: <span class="kw-2">&amp;</span><span class="ident">Arc</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span>, <span class="ident">elf_data</span>: <span class="kw-2">&amp;</span>[<span class="ident">u8</span>], <span class="ident">args</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">String</span><span class="op">&gt;</span>) {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec() begin&quot;</span>);
<span class="macro">assert_eq!</span>(<span class="self">self</span>.<span class="ident">inner_exclusive_access</span>().<span class="ident">thread_count</span>(), <span class="number">1</span>);
<span class="comment">// memory_set with elf program headers/trampoline/trap context/user stack</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::exec() begin&quot;</span>);
<span class="comment">// memory_set with elf program headers/trampoline/user_stack_base addr/entry_point</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): build MemorySet, trampoline, user_stack_base, entry_point...&quot;</span>);
<span class="kw">let</span> (<span class="ident">memory_set</span>, <span class="ident">ustack_base</span>, <span class="ident">entry_point</span>) <span class="op">=</span> <span class="ident">MemorySet::from_elf</span>(<span class="ident">elf_data</span>);
<span class="kw">let</span> <span class="ident">new_token</span> <span class="op">=</span> <span class="ident">memory_set</span>.<span class="ident">token</span>();
<span class="comment">// substitute memory_set</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): substitute memory_set, ustack_base&quot;</span>);
<span class="self">self</span>.<span class="ident">inner_exclusive_access</span>().<span class="ident">memory_set</span> <span class="op">=</span> <span class="ident">memory_set</span>;
<span class="comment">// then we alloc user resource for main thread again</span>
<span class="comment">// since memory_set has been changed</span>
<span class="kw">let</span> <span class="ident">task</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">inner_exclusive_access</span>().<span class="ident">get_task</span>(<span class="number">0</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">task_inner</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">inner_exclusive_access</span>();
<span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">ustack_base</span> <span class="op">=</span> <span class="ident">ustack_base</span>;
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): alloc user resource for this thread&quot;</span>);
<span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">alloc_user_res</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): set trap_cx_ppn for this thread&quot;</span>);
<span class="ident">task_inner</span>.<span class="ident">trap_cx_ppn</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">trap_cx_ppn</span>();
<span class="comment">// push arguments on user stack</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): push arguments on user stack for this thread&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">user_sp</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">res</span>.<span class="ident">as_mut</span>().<span class="ident">unwrap</span>().<span class="ident">ustack_top</span>();
<span class="ident">user_sp</span> <span class="op">-</span><span class="op">=</span> (<span class="ident">args</span>.<span class="ident">len</span>() <span class="op">+</span> <span class="number">1</span>) <span class="op">*</span> <span class="ident">core::mem::size_of</span>::<span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>();
<span class="kw">let</span> <span class="ident">argv_base</span> <span class="op">=</span> <span class="ident">user_sp</span>;
@ -472,6 +483,7 @@
<span class="comment">// make the user_sp aligned to 8B for k210 platform</span>
<span class="ident">user_sp</span> <span class="op">-</span><span class="op">=</span> <span class="ident">user_sp</span> <span class="op">%</span> <span class="ident">core::mem::size_of</span>::<span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>();
<span class="comment">// initialize trap_cx</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec(): set trap_cx(entry_point, ustack_top, k_satp, k_sp, trap_handler, argc=x[10], argv=x[11])&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">trap_cx</span> <span class="op">=</span> <span class="ident">TrapContext::app_init_context</span>(
<span class="ident">entry_point</span>,
<span class="ident">user_sp</span>,
@ -482,22 +494,22 @@
<span class="ident">trap_cx</span>.<span class="ident">x</span>[<span class="number">10</span>] <span class="op">=</span> <span class="ident">args</span>.<span class="ident">len</span>();
<span class="ident">trap_cx</span>.<span class="ident">x</span>[<span class="number">11</span>] <span class="op">=</span> <span class="ident">argv_base</span>;
<span class="kw-2">*</span><span class="ident">task_inner</span>.<span class="ident">get_trap_cx</span>() <span class="op">=</span> <span class="ident">trap_cx</span>;
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::exec() end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::exec() end&quot;</span>);
}
<span class="doccomment">/// Only support processes with a single thread.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fork</span>(<span class="self">self</span>: <span class="kw-2">&amp;</span><span class="ident">Arc</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span>) -&gt; <span class="ident">Arc</span><span class="op">&lt;</span><span class="self">Self</span><span class="op">&gt;</span> {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork() begin&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork() begin&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">parent</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">inner_exclusive_access</span>();
<span class="macro">assert_eq!</span>(<span class="ident">parent</span>.<span class="ident">thread_count</span>(), <span class="number">1</span>);
<span class="comment">// clone parent&#39;s memory_set completely including trampoline/ustacks/trap_cxs</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): clone parent&#39;s memory_set for child&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): clone parent&#39;s memory_set for child&quot;</span>);
<span class="kw">let</span> <span class="ident">memory_set</span> <span class="op">=</span> <span class="ident">MemorySet::from_existed_user</span>(<span class="kw-2">&amp;</span><span class="ident">parent</span>.<span class="ident">memory_set</span>);
<span class="comment">// alloc a pid</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): alloc a new pid for child&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): alloc a new pid for child&quot;</span>);
<span class="kw">let</span> <span class="ident">pid</span> <span class="op">=</span> <span class="ident">pid_alloc</span>();
<span class="comment">// copy fd table</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): copy fd table for child&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): copy fd table for child&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">new_fd_table</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Arc</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">File</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">&gt;</span><span class="op">&gt;</span><span class="op">&gt;</span> <span class="op">=</span> <span class="ident">Vec::new</span>();
<span class="kw">for</span> <span class="ident">fd</span> <span class="kw">in</span> <span class="ident">parent</span>.<span class="ident">fd_table</span>.<span class="ident">iter</span>() {
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">file</span>) <span class="op">=</span> <span class="ident">fd</span> {
@ -507,7 +519,7 @@
}
}
<span class="comment">// create child process pcb</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): new child PCB with new pid, memory_set, fd_table, ...&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): new child PCB with new pid, memory_set, fd_table, ...&quot;</span>);
<span class="kw">let</span> <span class="ident">child</span> <span class="op">=</span> <span class="ident">Arc::new</span>(<span class="self">Self</span> {
<span class="ident">pid</span>,
<span class="ident">inner</span>: <span class="kw">unsafe</span> {
@ -528,10 +540,10 @@
},
});
<span class="comment">// add child</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): add child link in parent&#39; children Vec&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): add child link in parent&#39; children Vec&quot;</span>);
<span class="ident">parent</span>.<span class="ident">children</span>.<span class="ident">push</span>(<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">child</span>));
<span class="comment">// create main thread of child process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): TaskControlBlock::new(): create main thread of child process&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): TaskControlBlock::new(): create main thread of child process&quot;</span>);
<span class="kw">let</span> <span class="ident">task</span> <span class="op">=</span> <span class="ident">Arc::new</span>(<span class="ident">TaskControlBlock::new</span>(
<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">child</span>),
<span class="ident">parent</span>
@ -546,22 +558,22 @@
<span class="bool-val">false</span>,
));
<span class="comment">// attach task to child process</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): attach child TCB to child PCB&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): attach child TCB to child PCB&quot;</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">child_inner</span> <span class="op">=</span> <span class="ident">child</span>.<span class="ident">inner_exclusive_access</span>();
<span class="ident">child_inner</span>.<span class="ident">tasks</span>.<span class="ident">push</span>(<span class="prelude-val">Some</span>(<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">task</span>)));
<span class="ident">drop</span>(<span class="ident">child_inner</span>);
<span class="comment">// modify kstack_top in trap_cx of this thread</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): modify child&#39;s kstack_top in trap_cx of child&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): modify child&#39;s kstack_top in trap_cx of child&quot;</span>);
<span class="kw">let</span> <span class="ident">task_inner</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">inner_exclusive_access</span>();
<span class="kw">let</span> <span class="ident">trap_cx</span> <span class="op">=</span> <span class="ident">task_inner</span>.<span class="ident">get_trap_cx</span>();
<span class="ident">trap_cx</span>.<span class="ident">kernel_sp</span> <span class="op">=</span> <span class="ident">task</span>.<span class="ident">kstack</span>.<span class="ident">get_top</span>();
<span class="ident">drop</span>(<span class="ident">task_inner</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): insert &lt;child pid, child PCB&gt; in PID2PCB BTreeMap&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): insert &lt;child pid, child PCB&gt; in PID2PCB BTreeMap&quot;</span>);
<span class="ident">insert_into_pid2process</span>(<span class="ident">child</span>.<span class="ident">getpid</span>(), <span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">child</span>));
<span class="comment">// add this thread to scheduler</span>
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork(): add_task(child task): add child thread to scheduler&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork(): add_task(child task): add child thread to scheduler&quot;</span>);
<span class="ident">add_task</span>(<span class="ident">task</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::fork() end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::process::PCB::fork() end&quot;</span>);
<span class="ident">child</span>
}

6
ch9-log/src/os/task/task.rs.html
Unescape View File

@ -132,13 +132,13 @@
<span class="ident">ustack_base</span>: <span class="ident">usize</span>,
<span class="ident">alloc_user_res</span>: <span class="ident">bool</span>,
) -&gt; <span class="self">Self</span> {
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] TaskControlBlock::new() begin&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::task::TaskControlBlock::new() begin&quot;</span>);
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">TaskUserRes::new</span>(<span class="ident">Arc::clone</span>(<span class="kw-2">&amp;</span><span class="ident">process</span>), <span class="ident">ustack_base</span>, <span class="ident">alloc_user_res</span>);
<span class="kw">let</span> <span class="ident">trap_cx_ppn</span> <span class="op">=</span> <span class="ident">res</span>.<span class="ident">trap_cx_ppn</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] TaskControlBlock::new(): alloc kernel stack for TCB&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::task::TaskControlBlock::new(): alloc kernel stack for TCB&quot;</span>);
<span class="kw">let</span> <span class="ident">kstack</span> <span class="op">=</span> <span class="ident">kstack_alloc</span>();
<span class="kw">let</span> <span class="ident">kstack_top</span> <span class="op">=</span> <span class="ident">kstack</span>.<span class="ident">get_top</span>();
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] TaskControlBlock::new() end&quot;</span>);
<span class="macro">kprintln!</span>(<span class="string">&quot;[KERN] task::task::TaskControlBlock::new() end&quot;</span>);
<span class="self">Self</span> {
<span class="ident">process</span>: <span class="ident">Arc::downgrade</span>(<span class="kw-2">&amp;</span><span class="ident">process</span>),
<span class="ident">kstack</span>,

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