00001 /* 00002 * Copyright (C) 2006, Jose Renato Santos. 00003 * 00004 * This file may be distributed under the terms of the Q Public License 00005 * as defined by Trolltech AS of Norway and appearing in the file 00006 * LICENSE.QPL included in the packaging of this file. 00007 * 00008 * THIS FILE IS PROVIDED AS IS WITH NO WARRANTY OF ANY KIND, INCLUDING 00009 * THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00010 * PURPOSE. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, 00011 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING 00012 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 00013 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 00014 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 00015 * 00016 */ 00017 00018 /////////////////////////////////////////////////////////////////////////////// 00019 // vsiMutex.cpp: Implementation of class CvsiMutex (implements VSI mutex) 00020 // (VSI: Virtual System Interface) 00021 /////////////////////////////////////////////////////////////////////////////// 00022 00023 #include <vsimutex.h> 00024 00025 /////////////////////////////////////////////////////////////////////////////// 00026 // Construction/Destruction 00027 /////////////////////////////////////////////////////////////////////////////// 00028 00029 CvsiMutex::CvsiMutex() 00030 { 00031 int result = pthread_mutex_init(&m_mutex,NULL); 00032 if(result == 0) 00033 { 00034 m_isopen = true; 00035 } 00036 else 00037 { 00038 m_isopen = false; 00039 } 00040 } 00041 00042 /////////////////////////////////////////////////////////////////////////////// 00043 CvsiMutex::~CvsiMutex() 00044 { 00045 if(m_isopen) 00046 { 00047 pthread_mutex_destroy(&m_mutex); 00048 } 00049 } 00050 00051 /////////////////////////////////////////////////////////////////////////////// 00052 void CvsiMutex::Wait() 00053 { 00054 pthread_mutex_lock(&m_mutex); 00055 } 00056 00057 /////////////////////////////////////////////////////////////////////////////// 00058 void CvsiMutex::Release() 00059 { 00060 pthread_mutex_unlock(&m_mutex); 00061 } 00062 00063 /////////////////////////////////////////////////////////////////////////////// 00064 int CvsiMutex::IsOpen() 00065 { 00066 return m_isopen; 00067 }