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itkSimpleFastMutexLock.cxx
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itkSimpleFastMutexLock.cxx
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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkSimpleFastMutexLock.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "itkSimpleFastMutexLock.h"
namespace itk
{
// Construct a new SimpleMutexLock
SimpleFastMutexLock::SimpleFastMutexLock()
{
#if defined(_WIN32) && !defined(ITK_USE_PTHREADS)
//this->MutexLock = CreateMutex( NULL, FALSE, NULL );
InitializeCriticalSection(&m_FastMutexLock);
#endif
#ifdef ITK_USE_PTHREADS
#ifdef ITK_HP_PTHREADS
pthread_mutex_init(&(m_FastMutexLock), pthread_mutexattr_default);
#else
pthread_mutex_init(&(m_FastMutexLock), NULL);
#endif
#endif
}
// Destruct the SimpleMutexVariable
SimpleFastMutexLock::~SimpleFastMutexLock()
{
#if defined(_WIN32) && !defined(ITK_USE_PTHREADS)
//CloseHandle(this->MutexLock);
DeleteCriticalSection(&m_FastMutexLock);
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_destroy( &m_FastMutexLock);
#endif
}
// Lock the FastMutexLock
void SimpleFastMutexLock::Lock() const
{
#if defined(_WIN32) && !defined(ITK_USE_PTHREADS)
//WaitForSingleObject( this->MutexLock, INFINITE );
EnterCriticalSection(&m_FastMutexLock);
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_lock( &m_FastMutexLock);
#endif
}
// Unlock the FastMutexLock
void SimpleFastMutexLock::Unlock() const
{
#if defined(_WIN32) && !defined(ITK_USE_PTHREADS)
//ReleaseMutex( this->MutexLock );
LeaveCriticalSection(&m_FastMutexLock);
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_unlock( &m_FastMutexLock);
#endif
}
}//end namespace itk