Lunchbox
1.4.0
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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