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Merge pull request #10813 from lat9nq/no-atomic-bool
k_thread: Use a mutex and cond_var to sync bool
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commit
c0fd793ef6
2 changed files with 14 additions and 5 deletions
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@ -4,6 +4,8 @@
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#include <algorithm>
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#include <algorithm>
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#include <atomic>
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#include <atomic>
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#include <cinttypes>
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#include <cinttypes>
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#include <condition_variable>
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#include <mutex>
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#include <optional>
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#include <optional>
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#include <vector>
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#include <vector>
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@ -1313,7 +1315,8 @@ void KThread::RequestDummyThreadWait() {
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ASSERT(this->IsDummyThread());
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ASSERT(this->IsDummyThread());
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// We will block when the scheduler lock is released.
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// We will block when the scheduler lock is released.
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m_dummy_thread_runnable.store(false);
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std::scoped_lock lock{m_dummy_thread_mutex};
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m_dummy_thread_runnable = false;
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}
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}
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void KThread::DummyThreadBeginWait() {
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void KThread::DummyThreadBeginWait() {
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@ -1323,7 +1326,8 @@ void KThread::DummyThreadBeginWait() {
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}
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}
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// Block until runnable is no longer false.
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// Block until runnable is no longer false.
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m_dummy_thread_runnable.wait(false);
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std::unique_lock lock{m_dummy_thread_mutex};
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m_dummy_thread_cv.wait(lock, [this] { return m_dummy_thread_runnable; });
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}
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}
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void KThread::DummyThreadEndWait() {
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void KThread::DummyThreadEndWait() {
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@ -1331,8 +1335,11 @@ void KThread::DummyThreadEndWait() {
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ASSERT(this->IsDummyThread());
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ASSERT(this->IsDummyThread());
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// Wake up the waiting thread.
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// Wake up the waiting thread.
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m_dummy_thread_runnable.store(true);
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{
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m_dummy_thread_runnable.notify_one();
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std::scoped_lock lock{m_dummy_thread_mutex};
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m_dummy_thread_runnable = true;
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}
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m_dummy_thread_cv.notify_one();
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}
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}
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void KThread::BeginWait(KThreadQueue* queue) {
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void KThread::BeginWait(KThreadQueue* queue) {
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@ -892,7 +892,9 @@ private:
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std::shared_ptr<Common::Fiber> m_host_context{};
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std::shared_ptr<Common::Fiber> m_host_context{};
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ThreadType m_thread_type{};
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ThreadType m_thread_type{};
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StepState m_step_state{};
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StepState m_step_state{};
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std::atomic<bool> m_dummy_thread_runnable{true};
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bool m_dummy_thread_runnable{true};
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std::mutex m_dummy_thread_mutex{};
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std::condition_variable m_dummy_thread_cv{};
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// For debugging
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// For debugging
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std::vector<KSynchronizationObject*> m_wait_objects_for_debugging{};
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std::vector<KSynchronizationObject*> m_wait_objects_for_debugging{};
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