00001 /* 00002 * FBFS Distributed Object Repository 00003 * Copyright (C) 2001 Francesco V. Bassi 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 */ 00019 00020 #ifndef _utils_LOCK 00021 #define _utils_LOCK 00022 00028 #include <set> 00029 #include <string> 00030 #include "String.h" 00031 00032 namespace utils { 00033 class Lock; 00034 }; 00035 00043 class utils::Lock { 00044 public: 00048 Lock(); 00049 00053 ~Lock(); 00054 00063 void lock(const string &resource); 00064 00071 void unlock(const string &resource); 00072 private: 00073 inline void alloc(const string &resource); 00074 inline void free(const string &resource); 00075 inline bool isfree(const string &resource); 00076 00077 pthread_mutex_t mut; 00078 pthread_cond_t cond; 00079 set<string,fbfs::str_cmp> resources; 00080 }; 00081 00082 #endif