OW_Mutex.cpp

Go to the documentation of this file.

/*******************************************************************************
* Copyright (C) 2001-2004 Vintela, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
*  - Neither the name of Vintela, Inc. nor the names of its
*    contributors may be used to endorse or promote products derived from this
*    software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/

#include "OW_config.h"
#include "OW_Mutex.hpp"
#include "OW_Assertion.hpp"
#include "OW_MutexImpl.hpp"

namespace OW_NAMESPACE
{

Mutex::Mutex()
{
   if (MutexImpl::createMutex(m_mutex) != 0)
   {
      OW_THROW(AssertionException, "MutexImpl::createMutex failed");
   }
}
Mutex::~Mutex()
{
   if (MutexImpl::destroyMutex(m_mutex) == -1)
   {
      MutexImpl::releaseMutex(m_mutex);
      MutexImpl::destroyMutex(m_mutex);
   }
}
void 
Mutex::acquire()
{
   int rv = MutexImpl::acquireMutex(m_mutex);
   if (rv != 0)
   {
      OW_THROW(AssertionException,
         "MutexImpl::acquireMutex returned with error");
   }
}
bool
Mutex::release()
{
   if (MutexImpl::releaseMutex(m_mutex) != 0)
   {
      OW_THROW(AssertionException, "MutexImpl::releaseMutex returned with error");
   }
   return true;
}

} // end namespace OW_NAMESPACE

---