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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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