48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
// Copyright (C) 2012 Alexandre Janniaux
|
|
// This file is part of the "Nazara Engine - Core module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#include <Nazara/Core/Posix/ConditionVariableImpl.hpp>
|
|
#include <Nazara/Core/Posix/MutexImpl.hpp>
|
|
#include <Nazara/Core/Debug.hpp>
|
|
|
|
NzConditionVariableImpl::NzConditionVariableImpl()
|
|
{
|
|
pthread_cond_init(&m_cv, nullptr);
|
|
}
|
|
|
|
NzConditionVariableImpl::~NzConditionVariableImpl()
|
|
{
|
|
pthread_cond_destroy(&m_cv);
|
|
}
|
|
|
|
void NzConditionVariableImpl::Signal()
|
|
{
|
|
pthread_cond_signal(&m_cv);
|
|
}
|
|
|
|
void NzConditionVariableImpl::SignalAll()
|
|
{
|
|
pthread_cond_broadcast(&m_cv);
|
|
}
|
|
|
|
void NzConditionVariableImpl::Wait(NzMutexImpl* mutex)
|
|
{
|
|
pthread_cond_wait(&m_cv, &mutex->m_handle);
|
|
}
|
|
|
|
bool NzConditionVariableImpl::Wait(NzMutexImpl* mutex, nzUInt32 timeout)
|
|
{
|
|
// get the current time
|
|
timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
|
|
// construct the time limit (current time + time to wait)
|
|
timespec ti;
|
|
ti.tv_nsec = (tv.tv_usec + (timeout % 1000)) * 1000000;
|
|
ti.tv_sec = tv.tv_sec + (timeout / 1000) + (ti.tv_nsec / 1000000000);
|
|
ti.tv_nsec %= 1000000000;
|
|
|
|
return pthread_cond_timedwait(&m_cv,&mutex->m_handle, &ti) != 0;
|
|
}
|