| 1 |
|
/*========================================================================= |
| 2 |
|
|
| 3 |
|
Program: Insight Segmentation & Registration Toolkit |
| 4 |
|
Module: $RCSfile: itkMutexLock.cxx.html,v $ |
| 5 |
|
Language: C++ |
| 6 |
|
Date: $Date: 2006/01/17 19:15:42 $ |
| 7 |
|
Version: $Revision: 1.4 $ |
| 8 |
|
|
| 9 |
|
Copyright (c) Insight Software Consortium. All rights reserved. |
| 10 |
|
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
| 11 |
|
|
| 12 |
|
Portions of this code are covered under the VTK copyright. |
| 13 |
|
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details. |
| 14 |
|
|
| 15 |
|
This software is distributed WITHOUT ANY WARRANTY; without even |
| 16 |
|
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| 17 |
IND |
*****PURPOSE. See the above copyright notices for more information. |
| 18 |
|
|
| 19 |
DEF |
=========================================================================*/ |
| 20 |
|
#include "itkMutexLock.h" |
| 21 |
|
|
| 22 |
|
namespace itk |
| 23 |
|
{ |
| 24 |
|
|
| 25 |
|
|
| 26 |
|
// New for the SimpleMutex |
| 27 |
|
SimpleMutexLock *SimpleMutexLock::New() |
| 28 |
|
{ |
| 29 |
|
return new SimpleMutexLock; |
| 30 |
|
} |
| 31 |
|
|
| 32 |
|
// Construct a new MutexLock |
| 33 |
|
SimpleMutexLock::SimpleMutexLock() |
| 34 |
|
{ |
| 35 |
|
#ifdef ITK_USE_SPROC |
| 36 |
|
init_lock( &m_MutexLock ); |
| 37 |
|
#endif |
| 38 |
|
|
| 39 |
|
#ifdef ITK_USE_WIN32_THREADS |
| 40 |
|
m_MutexLock = CreateMutex( NULL, FALSE, NULL ); |
| 41 |
|
#endif |
| 42 |
|
|
| 43 |
|
#ifdef ITK_USE_PTHREADS |
| 44 |
|
#ifdef ITK_HP_PTHREADS |
| 45 |
|
pthread_mutex_init(&m_MutexLock, pthread_mutexattr_default); |
| 46 |
IND |
#else |
| 47 |
|
pthread_mutex_init(&m_MutexLock, NULL); |
| 48 |
|
#endif |
| 49 |
|
#endif |
| 50 |
|
|
| 51 |
|
} |
| 52 |
|
|
| 53 |
|
// Destruct the MutexVariable |
| 54 |
|
SimpleMutexLock::~SimpleMutexLock() |
| 55 |
|
{ |
| 56 |
|
#ifdef ITK_USE_WIN32_THREADS |
| 57 |
|
CloseHandle(m_MutexLock); |
| 58 |
|
#endif |
| 59 |
|
|
| 60 |
|
#ifdef ITK_USE_PTHREADS |
| 61 |
|
pthread_mutex_destroy( &m_MutexLock); |
| 62 |
|
#endif |
| 63 |
|
} |
| 64 |
|
|
| 65 |
|
// Lock the MutexLock |
| 66 |
|
void SimpleMutexLock::Lock() |
| 67 |
|
{ |
| 68 |
|
#ifdef ITK_USE_SPROC |
| 69 |
|
spin_lock( &m_MutexLock ); |
| 70 |
|
#endif |
| 71 |
|
|
| 72 |
|
#ifdef ITK_USE_WIN32_THREADS |
| 73 |
|
WaitForSingleObject( m_MutexLock, INFINITE ); |
| 74 |
|
#endif |
| 75 |
|
|
| 76 |
|
#ifdef ITK_USE_PTHREADS |
| 77 |
|
pthread_mutex_lock( &m_MutexLock); |
| 78 |
|
#endif |
| 79 |
|
} |
| 80 |
|
|
| 81 |
|
// Unlock the MutexLock |
| 82 |
|
void SimpleMutexLock::Unlock() |
| 83 |
|
{ |
| 84 |
|
#ifdef ITK_USE_SPROC |
| 85 |
|
release_lock( &m_MutexLock ); |
| 86 |
|
#endif |
| 87 |
|
|
| 88 |
|
#ifdef ITK_USE_WIN32_THREADS |
| 89 |
|
ReleaseMutex( m_MutexLock ); |
| 90 |
|
#endif |
| 91 |
|
|
| 92 |
|
#ifdef ITK_USE_PTHREADS |
| 93 |
|
pthread_mutex_unlock( &m_MutexLock); |
| 94 |
|
#endif |
| 95 |
|
} |
| 96 |
|
|
| 97 |
|
void MutexLock::PrintSelf(std::ostream& os, Indent indent) const |
| 98 |
|
{ |
| 99 |
|
Superclass::PrintSelf(os, indent); |
| 100 |
|
} |
| 101 |
|
|
| 102 |
|
}//end namespace itk |
| 103 |
|
|
