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// SPDX-FileCopyrightText: 2018 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <thread>
#include "common/assert.h"
#include "common/detached_tasks.h"
namespace Common {
DetachedTasks* DetachedTasks::instance = nullptr;
DetachedTasks::DetachedTasks() {
ASSERT(instance == nullptr);
instance = this;
}
void DetachedTasks::WaitForAllTasks() {
std::unique_lock lock{mutex};
cv.wait(lock, [this]() { return count == 0; });
}
DetachedTasks::~DetachedTasks() {
WaitForAllTasks();
std::unique_lock lock{mutex};
ASSERT(count == 0);
instance = nullptr;
}
void DetachedTasks::AddTask(std::function<void()> task) {
std::unique_lock lock{instance->mutex};
++instance->count;
std::thread([task{std::move(task)}]() {
task();
std::unique_lock thread_lock{instance->mutex};
--instance->count;
std::notify_all_at_thread_exit(instance->cv, std::move(thread_lock));
}).detach();
}
} // namespace Common
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