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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkSimpleFastMutexLock.cxx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:47 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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Portions of this code are covered under the VTK copyright. |
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See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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*****PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#include "itkSimpleFastMutexLock.h" |
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namespace itk |
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{ |
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// Construct a new SimpleMutexLock |
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SimpleFastMutexLock::SimpleFastMutexLock() |
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{ |
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#ifdef ITK_USE_SPROC |
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init_lock( &m_FastMutexLock ); |
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#endif |
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#if defined(_WIN32) && !defined(ITK_USE_PTHREADS) |
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//this->MutexLock = CreateMutex( NULL, FALSE, NULL ); |
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InitializeCriticalSection(&m_FastMutexLock); |
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#endif |
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#ifdef ITK_USE_PTHREADS |
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#ifdef ITK_HP_PTHREADS |
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pthread_mutex_init(&(m_FastMutexLock), pthread_mutexattr_default); |
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#else |
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pthread_mutex_init(&(m_FastMutexLock), NULL); |
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#endif |
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#endif |
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} |
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// Destruct the SimpleMutexVariable |
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SimpleFastMutexLock::~SimpleFastMutexLock() |
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{ |
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#if defined(_WIN32) && !defined(ITK_USE_PTHREADS) |
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//CloseHandle(this->MutexLock); |
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DeleteCriticalSection(&m_FastMutexLock); |
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#endif |
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#ifdef ITK_USE_PTHREADS |
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pthread_mutex_destroy( &m_FastMutexLock); |
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#endif |
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} |
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// Lock the FastMutexLock |
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void SimpleFastMutexLock::Lock() const |
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{ |
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#ifdef ITK_USE_SPROC |
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spin_lock( &m_FastMutexLock ); |
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#endif |
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#if defined(_WIN32) && !defined(ITK_USE_PTHREADS) |
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//WaitForSingleObject( this->MutexLock, INFINITE ); |
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EnterCriticalSection(&m_FastMutexLock); |
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#endif |
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#ifdef ITK_USE_PTHREADS |
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pthread_mutex_lock( &m_FastMutexLock); |
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#endif |
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} |
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// Unlock the FastMutexLock |
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void SimpleFastMutexLock::Unlock() const |
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{ |
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#ifdef ITK_USE_SPROC |
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release_lock( &m_FastMutexLock ); |
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#endif |
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#if defined(_WIN32) && !defined(ITK_USE_PTHREADS) |
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//ReleaseMutex( this->MutexLock ); |
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LeaveCriticalSection(&m_FastMutexLock); |
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#endif |
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#ifdef ITK_USE_PTHREADS |
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pthread_mutex_unlock( &m_FastMutexLock); |
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#endif |
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} |
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}//end namespace itk |
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