00001 /* 00002 * Copyright (C) 2006 Helmut Grohne 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 */ 00018 00019 #ifndef LIBMUTH_PTHREADLOCK_H 00020 #define LIBMUTH_PTHREADLOCK_H 00021 00022 #ifndef USE_PTHREAD 00023 #error this file must be compiled with -DUSE_PTHREAD 00024 #endif 00025 00026 #include <pthread.h> 00027 00028 class PthreadCondition; 00029 00033 class PthreadLock { 00034 private: 00035 pthread_mutex_t mutex; 00036 #ifdef DEBUG_LOCK 00037 int count; 00038 pthread_t owner; 00039 #endif 00040 public: 00044 PthreadLock() throw(); 00049 void acquire() throw(); 00054 bool tryacquire() throw(); 00059 void release() throw(); 00063 ~PthreadLock() throw(); 00064 friend class PthreadCondition; 00065 }; 00066 00067 #endif