Lunchbox  1.6.0
lock.h
00001 
00002 /* Copyright (c) 2005-2012, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef LUNCHBOX_LOCK_H
00019 #define LUNCHBOX_LOCK_H
00020 
00021 #include <lunchbox/api.h>
00022 #include <lunchbox/nonCopyable.h>
00023 
00024 namespace lunchbox
00025 {
00026 namespace detail { class Lock; }
00027 
00032     class Lock : public NonCopyable
00033     {
00034     public:
00036         LUNCHBOX_API Lock();
00037 
00039         LUNCHBOX_API ~Lock();
00040 
00042         LUNCHBOX_API void set();
00043 
00045         LUNCHBOX_API void unset();
00046 
00048         void setRead() { set(); }
00049 
00051         void unsetRead() { unset(); }
00052 
00062         LUNCHBOX_API bool trySet();
00063 
00071         LUNCHBOX_API bool isSet();
00072 
00073     private:
00074         detail::Lock* const _impl;
00075     };
00076 }
00077 #endif //LUNCHBOX_LOCK_H