RWLock.h
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00001 //
00002 // RWLock.h
00003 //
00004 // $Id: //poco/1.3/Foundation/include/Poco/RWLock.h#1 $
00005 //
00006 // Library: Foundation
00007 // Package: Threading
00008 // Module:  RWLock
00009 //
00010 // Definition of the RWLock class.
00011 //
00012 // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
00013 // and Contributors.
00014 //
00015 // Permission is hereby granted, free of charge, to any person or organization
00016 // obtaining a copy of the software and accompanying documentation covered by
00017 // this license (the "Software") to use, reproduce, display, distribute,
00018 // execute, and transmit the Software, and to prepare derivative works of the
00019 // Software, and to permit third-parties to whom the Software is furnished to
00020 // do so, all subject to the following:
00021 // 
00022 // The copyright notices in the Software and this entire statement, including
00023 // the above license grant, this restriction and the following disclaimer,
00024 // must be included in all copies of the Software, in whole or in part, and
00025 // all derivative works of the Software, unless such copies or derivative
00026 // works are solely in the form of machine-executable object code generated by
00027 // a source language processor.
00028 // 
00029 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00030 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00031 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
00032 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
00033 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
00034 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00035 // DEALINGS IN THE SOFTWARE.
00036 //
00037 
00038 
00039 #ifndef Foundation_RWLock_INCLUDED
00040 #define Foundation_RWLock_INCLUDED
00041 
00042 
00043 #include "Poco/Foundation.h"
00044 #include "Poco/Exception.h"
00045 
00046 
00047 #if defined(POCO_OS_FAMILY_WINDOWS)
00048 #include "Poco/RWLock_WIN32.h"
00049 #else
00050 #include "Poco/RWLock_POSIX.h"
00051 #endif
00052 
00053 
00054 namespace Poco {
00055 
00056 
00057 class ScopedRWLock;
00058 
00059 
00060 class Foundation_API RWLock: private RWLockImpl
00063 {
00064 public:
00065         typedef ScopedRWLock ScopedLock;
00066 
00067         RWLock();
00069                 
00070         ~RWLock();
00072         
00073         void readLock();
00076 
00077         bool tryReadLock();
00080 
00081         void writeLock();
00085 
00086         bool tryWriteLock();
00091 
00092         void unlock();
00094 
00095 private:
00096         RWLock(const RWLock&);
00097         RWLock& operator = (const RWLock&);
00098 };
00099 
00100 
00101 class Foundation_API ScopedRWLock
00103 {
00104 public:
00105         ScopedRWLock(RWLock& rwl, bool write = false);
00106         ~ScopedRWLock();
00107 
00108 private:
00109         RWLock& _rwl;
00110 
00111         ScopedRWLock();
00112         ScopedRWLock(const ScopedRWLock&);
00113         ScopedRWLock& operator = (const ScopedRWLock&);
00114 };
00115 
00116 
00117 //
00118 // inlines
00119 //
00120 inline void RWLock::readLock()
00121 {
00122         readLockImpl();
00123 }
00124 
00125 
00126 inline bool RWLock::tryReadLock()
00127 {
00128         return tryReadLockImpl();
00129 }
00130 
00131 
00132 inline void RWLock::writeLock()
00133 {
00134         writeLockImpl();
00135 }
00136 
00137 
00138 inline bool RWLock::tryWriteLock()
00139 {
00140         return tryWriteLockImpl();
00141 }
00142 
00143 
00144 inline void RWLock::unlock()
00145 {
00146         unlockImpl();
00147 }
00148 
00149 
00150 inline ScopedRWLock::ScopedRWLock(RWLock& rwl, bool write): _rwl(rwl)
00151 {
00152         if (write)
00153                 _rwl.writeLock();
00154         else
00155                 _rwl.readLock();
00156 }
00157 
00158 
00159 inline ScopedRWLock::~ScopedRWLock()
00160 {
00161         _rwl.unlock();
00162 }
00163 
00164 
00165 } // namespace Poco
00166 
00167 
00168 #endif // Foundation_RWLock_INCLUDED


pluginlib
Author(s): Tully Foote and Eitan Marder-Eppstein
autogenerated on Sat Dec 28 2013 17:20:19