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#if !defined(RESIP_REFCOUNTEDDESTROYER_HXX) |
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#define RESIP_REFCOUNTEDDESTROYER_HXX |
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|
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namespace resip |
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{ |
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|
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//designed to be used by composition, does not destroy itself. |
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template<class T> |
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class RefCountedDestroyer |
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{ |
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public: |
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class Guard |
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{ |
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public: |
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void destroy() |
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{ |
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mRefCountedDestroyer.mDestroying = true; |
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} |
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|
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bool destroyed() |
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{ |
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return mRefCountedDestroyer.mDestroying; |
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} |
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|
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Guard(RefCountedDestroyer& rcd) |
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: mRefCountedDestroyer(rcd) |
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{ |
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mRefCountedDestroyer.mCount++; |
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} |
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|
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~Guard() |
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{ |
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mRefCountedDestroyer.mCount--; |
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if (mRefCountedDestroyer.mDestroying && mRefCountedDestroyer.mCount == 0) |
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{ |
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delete mRefCountedDestroyer.mTarget; |
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} |
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} |
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private: |
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RefCountedDestroyer& mRefCountedDestroyer; |
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}; |
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|
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RefCountedDestroyer(T* target) : |
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mTarget(target), |
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mCount(0), |
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mDestroying(false) |
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{ |
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} |
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private: |
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friend class Guard; |
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T* mTarget; |
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int mCount; |
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bool mDestroying; |
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}; |
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|
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} |
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|
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#endif |
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|
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/* ==================================================================== |
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* The Vovida Software License, Version 1.0 |
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* |
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* Copyright (c) 2000 Vovida Networks, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
67 |
* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The names "VOCAL", "Vovida Open Communication Application Library", |
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* and "Vovida Open Communication Application Library (VOCAL)" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact vocal@vovida.org. |
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* |
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* 4. Products derived from this software may not be called "VOCAL", nor |
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* may "VOCAL" appear in their name, without prior written |
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* permission of Vovida Networks, Inc. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
89 |
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND |
90 |
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA |
91 |
* NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES |
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* IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by Vovida |
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* Networks, Inc. and many individuals on behalf of Vovida Networks, |
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* Inc. For more information on Vovida Networks, Inc., please see |
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* <http://www.vovida.org/>. |
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* |
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*/ |