/home/tommi/cxxtools/include/cxxtools/condition.h

00001 /*
00002  * Copyright (C) 2006-2008 by Marc Boris Duerner
00003  * 
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  * 
00009  * As a special exception, you may use this file as part of a free
00010  * software library without restriction. Specifically, if other files
00011  * instantiate templates or use macros or inline functions from this
00012  * file, or you compile this file and link it with other files to
00013  * produce an executable, this file does not by itself cause the
00014  * resulting executable to be covered by the GNU General Public
00015  * License. This exception does not however invalidate any other
00016  * reasons why the executable file might be covered by the GNU Library
00017  * General Public License.
00018  * 
00019  * This library is distributed in the hope that it will be useful,
00020  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00022  * Lesser General Public License for more details.
00023  * 
00024  * You should have received a copy of the GNU Lesser General Public
00025  * License along with this library; if not, write to the Free Software
00026  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00027  */
00028 #ifndef CXXTOOLS_SYSTEM_CONDITION_H
00029 #define CXXTOOLS_SYSTEM_CONDITION_H
00030 
00031 #include <cxxtools/api.h>
00032 #include <cxxtools/noncopyable.h>
00033 #include <cxxtools/mutex.h>
00034 #include <cstddef>
00035 
00036 namespace cxxtools {
00037 
00050     class CXXTOOLS_API Condition : private NonCopyable
00051     {
00052         public:
00054             Condition();
00055 
00057             ~Condition();
00058 
00065             void wait( Mutex& mtx);
00066 
00067             void wait( MutexLock& m)
00068             { this->wait( m.mutex() ); }
00069 
00077             bool wait( Mutex& mtx, unsigned int ms);
00078 
00079             bool wait( MutexLock& m, unsigned int ms)
00080             { return this->wait( m.mutex(), ms ); }
00081 
00083             void signal();
00084 
00086             void broadcast();
00087 
00088         private:
00089             class ConditionImpl* _impl;
00090     };
00091 
00092 } // !namespace cxxtools
00093 
00094 #endif