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6161531376
* Made drawing zones not clog message processing * Fixed synchronization bugs * call BufferedPaintInit * Some refactoring, the animation is back * Rename a function * Align parameters
32 lines
768 B
C++
32 lines
768 B
C++
#pragma once
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#include <future>
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#include <thread>
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#include <functional>
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#include <queue>
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#include <atomic>
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// OnThreadExecutor allows its caller to off-load some work to a persistently running background thread.
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// This might come in handy if you use the API which sets thread-wide global state and the state needs
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// to be isolated.
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class OnThreadExecutor final
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{
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public:
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using task_t = std::packaged_task<void()>;
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OnThreadExecutor();
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~OnThreadExecutor();
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std::future<void> submit(task_t task);
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void cancel();
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private:
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void worker_thread();
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std::mutex _task_mutex;
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std::condition_variable _task_cv;
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std::atomic_bool _shutdown_request;
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std::queue<std::packaged_task<void()>> _task_queue;
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std::thread _worker_thread;
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};
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