OW_COWIntrusiveReference.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 *
00004 * Redistribution and use in source and binary forms, with or without
00005 * modification, are permitted provided that the following conditions are met:
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00007 *  - Redistributions of source code must retain the above copyright notice,
00008 *    this list of conditions and the following disclaimer.
00009 *
00010 *  - Redistributions in binary form must reproduce the above copyright notice,
00011 *    this list of conditions and the following disclaimer in the documentation
00012 *    and/or other materials provided with the distribution.
00013 *
00014 *  - Neither the name of Vintela, Inc. nor the names of its
00015 *    contributors may be used to endorse or promote products derived from this
00016 *    software without specific prior written permission.
00017 *
00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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00030 
00035 #include "OW_config.h"
00036 #include "OW_COWIntrusiveReference.hpp"
00037 #ifdef OW_CHECK_NULL_REFERENCES
00038 #include "OW_Exception.hpp"
00039 #include "OW_ExceptionIds.hpp"
00040 #endif
00041 #ifdef OW_DEBUG
00042 #include <cstdlib> // for abort
00043 #endif
00044 
00045 namespace OW_NAMESPACE
00046 {
00047 
00048 #ifdef OW_CHECK_NULL_REFERENCES
00049 
00050 OW_DECLARE_EXCEPTION(NULLCOWIntrusiveReference);
00051 OW_DEFINE_EXCEPTION_WITH_ID(NULLCOWIntrusiveReference);
00052 
00053 namespace COWIntrusiveReferenceHelpers
00054 {
00055 
00056 // these are not part of COWIntrusiveReference to try and avoid template bloat.
00057 void throwNULLException()
00058 {
00059 #ifdef OW_DEBUG
00060    abort(); // segfault so we can get a core
00061 #endif
00062    OW_THROW(NULLCOWIntrusiveReferenceException, "NULL COWReference dereferenced");
00063 }
00064 
00065 }
00066 #endif
00067 
00068 
00069 } // end namespace OW_NAMESPACE
00070 
00071 
00072 

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