suyu/src/common/detached_tasks.cpp

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chore: make yuzu REUSE compliant [REUSE] is a specification that aims at making file copyright information consistent, so that it can be both human and machine readable. It basically requires that all files have a header containing copyright and licensing information. When this isn't possible, like when dealing with binary assets, generated files or embedded third-party dependencies, it is permitted to insert copyright information in the `.reuse/dep5` file. Oh, and it also requires that all the licenses used in the project are present in the `LICENSES` folder, that's why the diff is so huge. This can be done automatically with `reuse download --all`. The `reuse` tool also contains a handy subcommand that analyzes the project and tells whether or not the project is (still) compliant, `reuse lint`. Following REUSE has a few advantages over the current approach: - Copyright information is easy to access for users / downstream - Files like `dist/license.md` do not need to exist anymore, as `.reuse/dep5` is used instead - `reuse lint` makes it easy to ensure that copyright information of files like binary assets / images is always accurate and up to date To add copyright information of files that didn't have it I looked up who committed what and when, for each file. As yuzu contributors do not have to sign a CLA or similar I couldn't assume that copyright ownership was of the "yuzu Emulator Project", so I used the name and/or email of the commit author instead. [REUSE]: https://reuse.software Follow-up to 01cf05bc75b1e47beb08937439f3ed9339e7b254
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// SPDX-FileCopyrightText: 2018 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
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#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};
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cv.wait(lock, [this]() { return count == 0; });
}
DetachedTasks::~DetachedTasks() {
WaitForAllTasks();
std::unique_lock lock{mutex};
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ASSERT(count == 0);
instance = nullptr;
}
void DetachedTasks::AddTask(std::function<void()> task) {
std::unique_lock lock{instance->mutex};
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++instance->count;
std::thread([task_{std::move(task)}]() {
task_();
std::unique_lock thread_lock{instance->mutex};
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--instance->count;
std::notify_all_at_thread_exit(instance->cv, std::move(thread_lock));
}).detach();
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}
} // namespace Common