COWIntrusiveReference.cpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
00004 *
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 *
00008 *  - Redistributions of source code must retain the above copyright notice,
00009 *    this list of conditions and the following disclaimer.
00010 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
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00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
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00031 
00032 
00037 #include "blocxx/BLOCXX_config.h"
00038 #include "blocxx/COWIntrusiveReference.hpp"
00039 #ifdef BLOCXX_CHECK_NULL_REFERENCES
00040 #include "blocxx/Exception.hpp"
00041 #include "blocxx/ExceptionIds.hpp"
00042 #endif
00043 #ifdef BLOCXX_DEBUG
00044 #include <cstdlib> // for abort
00045 #endif
00046 
00047 namespace BLOCXX_NAMESPACE
00048 {
00049 
00050 #ifdef BLOCXX_CHECK_NULL_REFERENCES
00051 
00052 BLOCXX_DECLARE_EXCEPTION(NULLCOWIntrusiveReference);
00053 BLOCXX_DEFINE_EXCEPTION_WITH_ID(NULLCOWIntrusiveReference);
00054 
00055 namespace COWIntrusiveReferenceHelpers
00056 {
00057 
00058 // these are not part of COWIntrusiveReference to try and avoid template bloat.
00059 void throwNULLException()
00060 {
00061 #ifdef BLOCXX_DEBUG
00062    abort(); // segfault so we can get a core
00063 #endif
00064    BLOCXX_THROW(NULLCOWIntrusiveReferenceException, "NULL COWReference dereferenced");
00065 }
00066 
00067 }
00068 #endif
00069 
00070 
00071 } // end namespace BLOCXX_NAMESPACE
00072 
00073 
00074 

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