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41 lines
665 B
41 lines
665 B
7 years ago
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/*
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* Copyright (c) 2017 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <mutex>
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namespace reporting {
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struct X {
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int w;
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X* x1;
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};
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class Basic {
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public:
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Basic() {}
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void test(X& xparam) { xparam.x1->w++; }
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void call1() {
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test(x); // race
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}
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int test_lock() {
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mutex_.lock();
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call1();
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}
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int test_unlock() { call1(); }
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private:
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X x;
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std::mutex mutex_;
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};
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} // namespace reporting
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