turn
* -
OST_TRUE if the mutex was successfully locked.
* -
OST_FALSE otherwise.
*/
OSTBool TryLock(long millisecondes);
private:
mutable OST_MUTEX_SECTION m_mutex;
};
/**
* @class AutoLock
* @brief Using the AutoLock class is the preferred way to automatically
* lock and unlock a mutex.
*/
class AutoLock
{
public:
AutoLock(const OSTMutex& mutex, OSTBool autolocked = OST_TRUE) : m_mutex(mutex), m_locked(autolocked)
{
if(autolocked)
{
m_mutex.Lock();
m_locked = autolocked;
}
};
~AutoLock()
{
if(m_locked)
{
m_mutex.Unlock();
}
};
private:
AutoLock(const AutoLock&);
AutoLock& operator = (const AutoLock&);
private:
const OSTMutex& m_mutex;
OSTBool m_locked;
};
/**
* @class AutoUnLock
* @brief Using the AutoUnLock class is the preferred way to automatically
* lock and unlock a mutex.
*/
class AutoUnLock
{
public:
AutoUnLock(const OSTMutex& mutex, OSTBool unlocked = OST_TRUE) : m_mutex(mutex), m_unlocked(unlocked)
{
if(m_unlocked)
{
m_mutex.Unlock();
}
}
~AutoUnLock()
{
m_mutex.Lock();
}
private:
AutoUnLock(const AutoUnLock&);
AutoUnLock& operator = (const AutoUnLock&);
private:
const OSTMutex& m_mutex;
OSTBool m_unlocked;
};
#define LOCK(mutex) AutoLock locker(mutex)
#define UNLOCK(mutex) AutoUnLock locker(mutex)
OST_NAMESPACE_END
#endif//OST_CORE_OSTMUTEX_H
OSTMutex_POSIX.cpp
/*****************************************************************************
* OpenST Basic tool library *
* Copyright (C) 2014 Henry.Wen renhuabest@sina.com . *
* *
* This file is part of OST. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 3 as *
* published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License *
* along with OST. If not, see
. *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
* Author : Henry.Wen *
* E-Mail : renhuabest@sina.com *
* License : GNU General Public License (GPL) *
* source code availability:https://github.com/henrywen2011/OST *
* *
*----------------------------------------------------------------------------*
* Remark : Description *
*----------------------------------------------------------------------------*
* Change History : *
* Date | Version | Author | Description *
*----------------------------------------------------------------------------*
* 2014/01/24 | 1.0.0.1 | Henry.Wen | Create file *
*----------------------------------------------------------------------------*
* *
*****************************************************************************/
#include "OSTBaseExc.h"
#include "OSTMutex.h"
OST_NAMESPACE_BEGIN
OSTMutex::OSTMutex(void)
{
pthread_mutexattr_t attr;
if( 0 != pthread_mutexattr_init(&attr) || 0 != pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE))
return;
if (0 != pthread_mutex_init(&m_mutex, &attr))
{
pthread_mutexattr_destroy(&attr);
throw SystemExc("can