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72 lines
1.7 KiB
72 lines
1.7 KiB
pub use self::structs::*;
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use crate::arch::cpu;
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use crate::consts::{MAX_CPU_NUM, MAX_PROCESS_NUM};
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use alloc::{boxed::Box, sync::Arc};
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use log::*;
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pub use rcore_thread::*;
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use spin::MutexGuard;
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mod abi;
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pub mod structs;
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pub fn init() {
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// NOTE: max_time_slice <= 5 to ensure 'priority' test pass
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let scheduler = scheduler::RRScheduler::new(5);
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let manager = Arc::new(ThreadPool::new(scheduler, MAX_PROCESS_NUM));
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unsafe {
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for cpu_id in 0..MAX_CPU_NUM {
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PROCESSORS[cpu_id].init(cpu_id, Thread::new_init(), manager.clone());
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}
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}
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crate::shell::run_user_shell();
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info!("process: init end");
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}
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static PROCESSORS: [Processor; MAX_CPU_NUM] = [
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Processor::new(),
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Processor::new(),
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Processor::new(),
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Processor::new(),
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Processor::new(),
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Processor::new(),
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Processor::new(),
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Processor::new(),
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];
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/// Get current process
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pub fn process() -> MutexGuard<'static, Process> {
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current_thread().proc.lock()
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}
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/// Get current process, ignoring its lock
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/// Only use this when necessary
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pub unsafe fn process_unsafe() -> MutexGuard<'static, Process> {
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let thread = current_thread();
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thread.proc.force_unlock();
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thread.proc.lock()
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}
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/// Get current thread
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///
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/// FIXME: It's obviously unsafe to get &mut !
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pub fn current_thread() -> &'static mut Thread {
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use core::mem::transmute;
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let (process, _): (&mut Thread, *const ()) = unsafe { transmute(processor().context()) };
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process
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}
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// Implement dependencies for std::thread
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#[no_mangle]
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pub fn processor() -> &'static Processor {
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&PROCESSORS[cpu::id()]
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}
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#[no_mangle]
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pub fn new_kernel_context(entry: extern "C" fn(usize) -> !, arg: usize) -> Box<Context> {
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Thread::new_kernel(entry, arg)
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}
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