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1ca9a13e50
If this is not waited on, the synchronization primitives are destroyed whe main exits and the detached task ends up signalling garbage and not properly finishing.
43 lines
1017 B
C++
43 lines
1017 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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WaitForAllTasks();
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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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}).detach();
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}
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} // namespace Common
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