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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMutexLock.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:29:17 $
Version: $Revision: 1.8 $
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 "itkMutexLock.h"
namespace itk
{
// New for the SimpleMutex
SimpleMutexLock *SimpleMutexLock::New()
{
return new SimpleMutexLock;
}
// Construct a new MutexLock
SimpleMutexLock::SimpleMutexLock()
{
#ifdef ITK_USE_SPROC
init_lock( &m_MutexLock );
#endif
#ifdef ITK_USE_WIN32_THREADS
m_MutexLock = CreateMutex( NULL, FALSE, NULL );
#endif
#ifdef ITK_USE_PTHREADS
#ifdef ITK_HP_PTHREADS
pthread_mutex_init(&m_MutexLock, pthread_mutexattr_default);
#else
pthread_mutex_init(&m_MutexLock, NULL);
#endif
#endif
}
// Destruct the MutexVariable
SimpleMutexLock::~SimpleMutexLock()
{
#ifdef ITK_USE_WIN32_THREADS
CloseHandle(m_MutexLock);
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_destroy( &m_MutexLock);
#endif
}
// Lock the MutexLock
void SimpleMutexLock::Lock()
{
#ifdef ITK_USE_SPROC
spin_lock( &m_MutexLock );
#endif
#ifdef ITK_USE_WIN32_THREADS
WaitForSingleObject( m_MutexLock, INFINITE );
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_lock( &m_MutexLock);
#endif
}
// Unlock the MutexLock
void SimpleMutexLock::Unlock()
{
#ifdef ITK_USE_SPROC
release_lock( &m_MutexLock );
#endif
#ifdef ITK_USE_WIN32_THREADS
ReleaseMutex( m_MutexLock );
#endif
#ifdef ITK_USE_PTHREADS
pthread_mutex_unlock( &m_MutexLock);
#endif
}
void MutexLock::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
}//end namespace itk
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