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mutex.h

00001 /* 00002 libwftk - Worldforge Toolkit - a widget library 00003 Copyright (C) 2002 Malcolm Walker <malcolm@worldforge.org> 00004 Based on code copyright (C) 1999-2002 Karsten Laux 00005 00006 This library is free software; you can redistribute it and/or 00007 modify it under the terms of the GNU Lesser General Public 00008 License as published by the Free Software Foundation; either 00009 version 2.1 of the License, or (at your option) any later version. 00010 00011 This library is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 Lesser General Public License for more details. 00015 00016 You should have received a copy of the GNU Lesser General Public 00017 License along with this library; if not, write to the 00018 Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00019 Boston, MA 02111-1307, SA. 00020 */ 00021 // written by Karsten Laux, August 1999 00022 00023 #ifndef _MUTEX_H_ 00024 #define _MUTEX_H_ 00025 00026 #include <SDL/SDL_mutex.h> 00027 00028 namespace wftk { 00029 00031 class Mutex 00032 { 00033 public: 00034 00036 Mutex() { mutex = SDL_CreateMutex();} 00038 ~Mutex() { SDL_DestroyMutex(mutex); } 00039 00041 operator SDL_mutex*() {return mutex;} 00042 00044 void release() { SDL_mutexV(mutex);} 00046 void grab() { SDL_mutexP(mutex);} 00047 00048 private: 00050 SDL_mutex* mutex; 00051 00052 }; 00053 00054 00055 00056 } 00057 00058 00059 00060 #endif 00061

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