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pl-nk v0.4.5
Plonk|Plink|Plank are a set of cross-platform C/C++ frameworks for audio software development
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00001 /* 00002 ------------------------------------------------------------------------------- 00003 This file is part of the Plink, Plonk, Plank libraries 00004 by Martin Robinson 00005 00006 http://code.google.com/p/pl-nk/ 00007 00008 Copyright University of the West of England, Bristol 2011-14 00009 All rights reserved. 00010 00011 Redistribution and use in source and binary forms, with or without 00012 modification, are permitted provided that the following conditions are met: 00013 00014 * Redistributions of source code must retain the above copyright 00015 notice, this list of conditions and the following disclaimer. 00016 * Redistributions in binary form must reproduce the above copyright 00017 notice, this list of conditions and the following disclaimer in the 00018 documentation and/or other materials provided with the distribution. 00019 * Neither the name of University of the West of England, Bristol nor 00020 the names of its contributors may be used to endorse or promote products 00021 derived from this software without specific prior written permission. 00022 00023 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00024 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00025 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00026 DISCLAIMED. IN NO EVENT SHALL UNIVERSITY OF THE WEST OF ENGLAND, BRISTOL BE 00027 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00028 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00029 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00030 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00032 OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 00034 This software makes use of third party libraries. For more information see: 00035 doc/license.txt included in the distribution. 00036 ------------------------------------------------------------------------------- 00037 */ 00038 00039 #ifndef PLONK_WEAKPOINTER_H 00040 #define PLONK_WEAKPOINTER_H 00041 00042 #include "plonk_CoreForwardDeclarations.h" 00043 #include "plonk_SmartPointer.h" 00044 00045 00052 class WeakPointer : public SmartPointer 00053 { 00054 public: 00055 WeakPointer (SmartPointerCounter* counter) throw(); 00056 ~WeakPointer(); 00057 00058 SmartPointer* getWeakPointer() const throw(); 00059 00060 void incrementWeakCount() throw(); 00061 void decrementWeakCount() throw(); 00062 int getWeakCount() const throw(); 00063 00064 void incrementPeerRefCount() throw(); 00065 void decrementPeerRefCount() throw(); 00066 int getPeerRefCount() const throw(); 00067 00068 private: 00069 SmartPointerCounter* const peerCounter; 00070 00071 WeakPointer(); 00072 WeakPointer (const WeakPointer&); 00073 const WeakPointer& operator= (const WeakPointer&); 00074 }; 00075 00076 00077 00078 #endif // PLONK_WEAKPOINTER_H