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Semaphore.h

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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 #ifndef _SOCKETS_Semaphore_H
00024 #define _SOCKETS_Semaphore_H
00025 
00026 #include "sockets-config.h"
00027 #include <pthread.h>
00028 #include <semaphore.h>
00029 
00030 
00031 #ifdef SOCKETS_NAMESPACE
00032 namespace SOCKETS_NAMESPACE {
00033 #endif
00034 
00035 
00038 class Semaphore
00039 {
00040 public:
00041         Semaphore();
00042         Semaphore(unsigned int start_val);
00043         ~Semaphore();
00044 
00045         int Post();
00046         int Wait();
00047         int TryWait();
00048         int GetValue(int&);
00049 
00050 private:
00051         Semaphore(const Semaphore& ) {} // copy constructor
00052         Semaphore& operator=(const Semaphore& ) { return *this; } // assignment operator
00053         sem_t m_sem;
00054 };
00055 
00056 
00057 
00058 
00059 #ifdef SOCKETS_NAMESPACE
00060 } // namespace SOCKETS_NAMESPACE {
00061 #endif
00062 #endif // _SOCKETS_Semaphore_H
Page, code, and content Copyright (C) 2007 by Anders Hedström
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