Files
PowerToys/src/common/on_thread_executor.h
Andrey Nekrasov cf1b53831f Formatting chores (#1441)
* format_sources: exclude 3rd party sources

* format common project

* format leftovers in runner & settings projects

* move source formatting-related files according to #939
2020-03-05 13:07:06 +03:00

32 lines
750 B
C++

#pragma once
#include <future>
#include <thread>
#include <functional>
#include <queue>
#include <atomic>
// OnThreadExecutor allows its caller to off-load some work to a persistently running background thread.
// This might come in handy if you use the API which sets thread-wide global state and the state needs
// to be isolated.
class OnThreadExecutor final
{
public:
using task_t = std::packaged_task<void()>;
OnThreadExecutor();
~OnThreadExecutor();
std::future<void> submit(task_t task);
private:
void worker_thread();
std::thread _worker_thread;
std::mutex _task_mutex;
std::condition_variable _task_cv;
std::atomic_bool _shutdown_request;
std::queue<std::packaged_task<void()>> _task_queue;
};