00001 /* @(#) $Id: $ */ 00002 00003 /* ------------------------------------------------------------ 00004 Copyright (c) 2007 Andrew Green 00005 http://www.zoolib.org 00006 00007 Permission is hereby granted, free of charge, to any person obtaining a copy 00008 of this software and associated documentation files (the "Software"), to deal 00009 in the Software without restriction, including without limitation the rights 00010 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00011 copies of the Software, and to permit persons to whom the Software is 00012 furnished to do so, subject to the following conditions: 00013 00014 The above copyright notice and this permission notice shall be included in 00015 all copies or substantial portions of the Software. 00016 00017 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00018 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00019 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00020 COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 00021 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 00022 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00023 ------------------------------------------------------------ */ 00024 00025 #ifndef __ZTSLock__ 00026 #define __ZTSLock__ 00027 #include "zconfig.h" 00028 00029 #include "ZCompat_NonCopyable.h" 00030 #include "ZTuple.h" 00031 #include "ZTBSpec.h" 00032 00033 #include <set> 00034 00035 // ================================================================================================= 00036 #pragma mark - 00037 #pragma mark * ZTS 00038 00039 These could/should be ZTS methods. What about union TSes? Semantices of 00040 demotewrite when holdin miexed locks, for example 00041 00042 class ZTSLock 00043 { 00044 public: 00045 virtual void Acquire_Read() = 0; 00046 virtual void Release_Read() = 0; 00047 00048 virtual void Acquire_Write() = 0; 00049 virtual void Release_Write() = 0; 00050 00051 virtual void DemoteWrite() = 0; 00052 }; 00053 00054 #endif // __ZTSLock__