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Semaphore.cppGo to the documentation of this file.00001 00006 /* 00007 Copyright (C) 2007 Anders Hedstrom 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License 00011 as published by the Free Software Foundation; either version 2 00012 of the License, or (at your option) any later version. 00013 00014 This program is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with this program; if not, write to the Free Software 00021 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 */ 00023 #include "Semaphore.h" 00024 00025 00026 #ifdef SOCKETS_NAMESPACE 00027 namespace SOCKETS_NAMESPACE { 00028 #endif 00029 00030 00031 Semaphore::Semaphore() 00032 { 00033 sem_init(&m_sem, 0, 0); 00034 } 00035 00036 00037 Semaphore::Semaphore(unsigned int start_val) 00038 { 00039 sem_init(&m_sem, 0, start_val); 00040 } 00041 00042 00043 Semaphore::~Semaphore() 00044 { 00045 sem_destroy(&m_sem); 00046 } 00047 00048 00049 int Semaphore::Post() 00050 { 00051 return sem_post(&m_sem); 00052 } 00053 00054 00055 int Semaphore::Wait() 00056 { 00057 return sem_wait(&m_sem); 00058 } 00059 00060 00061 int Semaphore::TryWait() 00062 { 00063 return sem_trywait(&m_sem); 00064 } 00065 00066 00067 int Semaphore::GetValue(int& i) 00068 { 00069 return sem_getvalue(&m_sem, &i); 00070 } 00071 00072 00073 #ifdef SOCKETS_NAMESPACE 00074 } // namespace SOCKETS_NAMESPACE { 00075 #endif |