51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// Copyright (C) 2015 Alexandre Janniaux
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Posix/ConditionVariableImpl.hpp>
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#include <Nazara/Core/Posix/MutexImpl.hpp>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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ConditionVariableImpl::ConditionVariableImpl()
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{
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pthread_cond_init(&m_cv, nullptr);
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}
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ConditionVariableImpl::~ConditionVariableImpl()
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{
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pthread_cond_destroy(&m_cv);
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}
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void ConditionVariableImpl::Signal()
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{
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pthread_cond_signal(&m_cv);
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}
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void ConditionVariableImpl::SignalAll()
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{
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pthread_cond_broadcast(&m_cv);
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}
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void ConditionVariableImpl::Wait(MutexImpl* mutex)
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{
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pthread_cond_wait(&m_cv, &mutex->m_handle);
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}
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bool ConditionVariableImpl::Wait(MutexImpl* mutex, UInt32 timeout)
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{
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// get the current time
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timeval tv;
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gettimeofday(&tv, nullptr);
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// construct the time limit (current time + time to wait)
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timespec ti;
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ti.tv_nsec = (tv.tv_usec + (timeout % 1000)) * 1000000;
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ti.tv_sec = tv.tv_sec + (timeout / 1000) + (ti.tv_nsec / 1000000000);
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ti.tv_nsec %= 1000000000;
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return pthread_cond_timedwait(&m_cv,&mutex->m_handle, &ti) != 0;
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}
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}
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