/*
* Copyright (C) 2012 Yee Young Han (http://blog.naver.com/websearch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "SipMutex.h"
#include "MemoryDebug.h"
/**
* @ingroup SipPlatform
* @brief 생성자
*/
CSipMutex::CSipMutex( )
{
#ifdef WIN32
InitializeCriticalSection( &m_sttMutex );
#else
pthread_mutex_init( &m_sttMutex, NULL );
#endif
}
/**
* @ingroup SipPlatform
* @brief 소멸자
*/
CSipMutex::~CSipMutex()
{
#ifdef WIN32
DeleteCriticalSection( &m_sttMutex );
#else
pthread_mutex_destroy( &m_sttMutex );
#endif
}
/**
* @ingroup SipPlatform
* @brief mutex lock 한다.
* @return true 를 리턴한다.
*/
bool CSipMutex::acquire()
{
#ifdef WIN32
EnterCriticalSection( &m_sttMutex );
#else
if( pthread_mutex_lock( &m_sttMutex ) != 0 )
{
return false;
}
#endif
return true;
}
/**
* @ingroup SipPlatform
* @brief mutex unlock 한다.
* @return true 를 리턴한다.
*/
bool CSipMutex::release()
{
#ifdef WIN32
LeaveCriticalSection( &m_sttMutex );
#else
if( pthread_mutex_unlock( &m_sttMutex ) != 0 )
{
return false;
}
#endif
return true;
}
/**
* @ingroup SipPlatform
* @brief 생성자
*/
CSipMutexSignal::CSipMutexSignal()
{
#ifdef WIN32
InitializeConditionVariable( &m_sttCond );
#else
pthread_cond_init( &m_sttCond, NULL );
#endif
}
/**
* @ingroup SipPlatform
* @brief 소멸자
*/
CSipMutexSignal::~CSipMutexSignal()
{
#ifdef WIN32
#else
pthread_cond_destroy( &m_sttCond );
#endif
}
/**
* @ingroup SipPlatform
* @brief signal 또는 broadcast 메소드가 호출될 때까지 대기한다.
* @return true 를 리턴한다.
*/
bool CSipMutexSignal::wait()
{
#ifdef WIN32
SleepConditionVariableCS( &m_sttCond, &m_sttMutex, INFINITE );
return true;
#else
int n = pthread_cond_wait( &m_sttCond, &m_sttMutex );
if( n != 0 )
{
return false;
}
#endif
return true;
}
/**
* @ingroup SipPlatform
* @brief signal 또는 broadcast 메소드가 호출될 때까지 대기하는 쓰레드 1개를 대기 중지시킨다.
* @return true 를 리턴한다.
*/
bool CSipMutexSignal::signal()
{
#ifdef WIN32
WakeConditionVariable( &m_sttCond );
#else
int n = pthread_cond_signal( &m_sttCond );
if( n != 0 )
{
return false;
}
#endif
return true;
}
/**
* @ingroup SipPlatform
* @brief signal 또는 broadcast 메소드가 호출될 때까지 대기하는 모든 쓰레드를 대기 중지시킨다.
* @return true 를 리턴한다.
*/
bool CSipMutexSignal::broadcast()
{
#ifdef WIN32
WakeAllConditionVariable( &m_sttCond );
#else
int n = pthread_cond_broadcast( &m_sttCond );
if( n != 0 )
{
return false;
}
#endif
return true;
}