mirror of https://github.com/alibaba/MNN.git
42 lines
1002 B
C++
42 lines
1002 B
C++
#ifndef WORKER_THREAD_HPP
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#define WORKER_THREAD_HPP
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#include <atomic>
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#include <condition_variable>
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#include <functional>
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#include <mutex>
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#include <queue>
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#include <thread>
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#include <atomic>
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namespace MNN {
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struct ThreadMsg;
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// A singleton instance background worker thread.
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class WorkerThread {
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public:
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// Post a task to the thread queue.
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// @param task - thread specific message information
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// @return true if the `task` is successfully added to the work queue.
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// PostTask fails if there are more than `MAX_TASKS` tasks in the queue.
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bool postTask(std::function<int()>&& task);
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WorkerThread(int numberThread = 1);
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~WorkerThread();
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private:
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struct Task {
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std::function<void()> content;
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};
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std::vector<std::thread> mWorkers;
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std::atomic<bool> mStop = {false};
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std::queue<Task*> mTasks;
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std::condition_variable mCondition;
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std::mutex mQueueMutex;
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std::mutex mConditionMutex;
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};
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} // namespace MNN
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#endif // WORKER_THREAD_HPP
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