Фоменко Степан Владимирович
a6599a8ed1
git-svn-id: svn://db.shs.com.ru/pip@868 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//
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// Created by fomenko on 20.09.2019.
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//
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#ifndef PIP_TESTS_PICONDITIONVAR_H
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#define PIP_TESTS_PICONDITIONVAR_H
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#include "piconditionlock.h"
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#include <functional>
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#include "piinit.h"
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/**
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* @brief A condition variable is an object able to block the calling thread until notified to resume.
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*
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* It uses a PIConditionLock to lock the thread when one of its wait functions is called. The thread remains
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* blocked until woken up by another thread that calls a notification function on the same PIConditionVariable object.
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*/
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class PIP_EXPORT PIConditionVariable {
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public:
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explicit PIConditionVariable();
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virtual ~PIConditionVariable();
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/**
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* @brief Unblocks one of the threads currently waiting for this condition. If no threads are waiting, the function
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* does nothing. If more than one, it is unspecified which of the threads is selected.
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*/
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virtual void notifyOne();
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/**
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* @brief Unblocks all threads currently waiting for this condition. If no threads are waiting, the function does
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* nothing.
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*/
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virtual void notifyAll();
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virtual void wait(PIConditionLock& lk);
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virtual void wait(PIConditionLock& lk, const std::function<bool()>& condition);
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virtual bool waitFor(PIConditionLock& lk, int timeoutMs);
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virtual bool waitFor(PIConditionLock& lk, int timeoutMs, const std::function<bool()>& condition);
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private:
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NO_COPY_CLASS(PIConditionVariable)
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PRIVATE_DECLARATION
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};
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class PIThread;
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typedef void (*ThreadFunc)(void * );
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class StdFunctionThreadFuncAdapter {
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public:
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static void threadFuncStdFunctionAdapter(void* it);
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explicit StdFunctionThreadFuncAdapter(const std::function<void()>& fun_): fun(fun_) {}
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void registerToInvoke(PIThread* thread);
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void* data() const { return (void*)this; }
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ThreadFunc threadFunc() const { return threadFuncStdFunctionAdapter; }
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private:
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std::function<void()> fun;
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};
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#endif //PIP_TESTS_PICONDITIONVAR_H
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