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Since C++17, the introduction of deduction guides for locking facilities means that we no longer need to hardcode the mutex type into the locks themselves, making it easier to switch mutex types, should it ever be necessary in the future.
41 lines
1,002 B
C++
41 lines
1,002 B
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <thread>
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#include "common/assert.h"
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#include "common/detached_tasks.h"
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namespace Common {
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DetachedTasks* DetachedTasks::instance = nullptr;
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DetachedTasks::DetachedTasks() {
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ASSERT(instance == nullptr);
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instance = this;
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}
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void DetachedTasks::WaitForAllTasks() {
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std::unique_lock lock{mutex};
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cv.wait(lock, [this]() { return count == 0; });
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}
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DetachedTasks::~DetachedTasks() {
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std::unique_lock lock{mutex};
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ASSERT(count == 0);
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instance = nullptr;
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}
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void DetachedTasks::AddTask(std::function<void()> task) {
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std::unique_lock lock{instance->mutex};
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++instance->count;
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std::thread([task{std::move(task)}]() {
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task();
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std::unique_lock lock{instance->mutex};
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--instance->count;
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std::notify_all_at_thread_exit(instance->cv, std::move(lock));
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})
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.detach();
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}
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} // namespace Common
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