ThreadModule.cxx
Go to the documentation of this file.00001 /* ======================================================================== 00002 * Copyright (c) 2006, 00003 * Institute for Computer Graphics and Vision 00004 * Graz University of Technology 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are 00009 * met: 00010 * 00011 * Redistributions of source code must retain the above copyright notice, 00012 * this list of conditions and the following disclaimer. 00013 * 00014 * Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in the 00016 * documentation and/or other materials provided with the distribution. 00017 * 00018 * Neither the name of the Graz University of Technology nor the names of 00019 * its contributors may be used to endorse or promote products derived from 00020 * this software without specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00023 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00024 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00025 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00026 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00027 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00028 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 * ======================================================================== 00034 * PROJECT: OpenTracker 00035 * ======================================================================== */ 00042 /* ======================================================================= */ 00043 00044 00045 // a trick to avoid warnings when ace includes the STL headers 00046 #ifdef WIN32 00047 #pragma warning(disable:4786) 00048 #endif 00049 00050 #include <stdlib.h> 00051 #include <string> 00052 00053 #include <ace/Thread.h> 00054 #include <ace/Synch.h> 00055 00056 #include "ThreadModule.h" 00057 00058 namespace ot { 00059 00060 // enters a critical section. 00061 00062 void ThreadModule::lock() 00063 { 00064 mutex->acquire(); 00065 } 00066 00067 // leaves a critical section. 00068 00069 void ThreadModule::unlock() 00070 { 00071 mutex->release(); 00072 } 00073 00074 // constructor 00075 00076 ThreadModule::ThreadModule() 00077 { 00078 mutex = new ACE_Thread_Mutex; 00079 } 00080 00081 // destructor clears everything 00082 00083 ThreadModule::~ThreadModule() 00084 { 00085 delete mutex; 00086 } 00087 00088 // starts the thread 00089 00090 void ThreadModule::start() 00091 { 00092 thread = new ACE_thread_t; 00093 ACE_Thread::spawn((ACE_THR_FUNC)thread_func, 00094 this, 00095 THR_NEW_LWP | THR_JOINABLE, 00096 (ACE_thread_t *)thread ); 00097 } 00098 00099 // stops the thread and closes the module 00100 00101 void ThreadModule::close() 00102 { 00103 #ifdef WIN32 00104 ACE_Thread::join( (ACE_thread_t*)thread ); 00105 #else 00106 ACE_Thread::join( (ACE_thread_t)thread ); 00107 #endif 00108 // ACE_Thread::cancel( *(ACE_thread_t *)thread ); 00109 delete ((ACE_thread_t *)thread); 00110 } 00111 00112 } // namespace ot 00113 00114 /* 00115 * ------------------------------------------------------------ 00116 * End of ThreadModule.cxx 00117 * ------------------------------------------------------------ 00118 * Automatic Emacs configuration follows. 00119 * Local Variables: 00120 * mode:c++ 00121 * c-basic-offset: 4 00122 * eval: (c-set-offset 'substatement-open 0) 00123 * eval: (c-set-offset 'case-label '+) 00124 * eval: (c-set-offset 'statement 'c-lineup-runin-statements) 00125 * eval: (setq indent-tabs-mode nil) 00126 * End: 00127 * ------------------------------------------------------------ 00128 */