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reSIProcate/rutil
9694
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00001 #if !defined(RESIP_RWMUTEX_HXX) 00002 #define RESIP_RWMUTEX_HXX 00003 00004 static const char* const resipRWMutex_hxx_Version = 00005 "$Id: RWMutex.hxx,v 1.3 2003/06/02 20:52:32 ryker Exp $"; 00006 00007 #include "Lockable.hxx" 00008 #include "Mutex.hxx" 00009 #include "Condition.hxx" 00010 00011 namespace resip 00012 { 00013 00029 class RWMutex : public Lockable 00030 { 00031 public: 00032 RWMutex(); 00033 ~RWMutex(); 00034 void readlock(); 00035 void writelock(); 00036 void lock(); 00037 void unlock(); 00038 unsigned int readerCount() const; 00039 unsigned int pendingWriterCount() const; 00040 00041 private: 00042 Mutex mMutex; 00043 Condition mReadCondition; 00044 Condition mPendingWriteCondition; 00045 unsigned int mReaderCount; 00046 bool mWriterHasLock; 00047 unsigned int mPendingWriterCount; 00048 }; 00049 00050 } 00051 00052 #endif 00053 00054 /* ==================================================================== 00055 * The Vovida Software License, Version 1.0 00056 * 00057 * Copyright (c) 2000 Vovida Networks, Inc. All rights reserved. 00058 * 00059 * Redistribution and use in source and binary forms, with or without 00060 * modification, are permitted provided that the following conditions 00061 * are met: 00062 * 00063 * 1. Redistributions of source code must retain the above copyright 00064 * notice, this list of conditions and the following disclaimer. 00065 * 00066 * 2. Redistributions in binary form must reproduce the above copyright 00067 * notice, this list of conditions and the following disclaimer in 00068 * the documentation and/or other materials provided with the 00069 * distribution. 00070 * 00071 * 3. The names "VOCAL", "Vovida Open Communication Application Library", 00072 * and "Vovida Open Communication Application Library (VOCAL)" must 00073 * not be used to endorse or promote products derived from this 00074 * software without prior written permission. For written 00075 * permission, please contact vocal@vovida.org. 00076 * 00077 * 4. Products derived from this software may not be called "VOCAL", nor 00078 * may "VOCAL" appear in their name, without prior written 00079 * permission of Vovida Networks, Inc. 00080 * 00081 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED 00082 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00083 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND 00084 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA 00085 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES 00086 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL, 00087 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00088 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00089 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 00090 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00091 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 00092 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 00093 * DAMAGE. 00094 * 00095 * ==================================================================== 00096 * 00097 * This software consists of voluntary contributions made by Vovida 00098 * Networks, Inc. and many individuals on behalf of Vovida Networks, 00099 * Inc. For more information on Vovida Networks, Inc., please see 00100 * <http://www.vovida.org/>. 00101 * 00102 */
1.7.5.1