blocxx
src
blocxx
ReferenceBase.hpp
Go to the documentation of this file.
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/*******************************************************************************
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* Copyright (C) 2005, Vintela, Inc. All rights reserved.
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* Copyright (C) 2006, Novell, 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 are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of
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* Vintela, Inc.,
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* nor Novell, Inc.,
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* nor the names of its contributors or employees may be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#ifndef BLOCXX_REFERENCE_BASE_HPP_INCLUDE_GUARD_
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#define BLOCXX_REFERENCE_BASE_HPP_INCLUDE_GUARD_
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#include "blocxx/BLOCXX_config.h"
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#include "
blocxx/RefCount.hpp
"
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// The classes and functions defined in this file are not meant for general
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// use, they are internal implementation details. They may change at any time.
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namespace
BLOCXX_NAMESPACE
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{
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template
<
class
T>
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inline
void
RefSwap
(T& x, T&y)
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{
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T t = x;
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x = y;
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y = t;
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}
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// This class contains the non-templated code for Reference, to help
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// minimize code bloat.
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class
BLOCXX_COMMON_API
ReferenceBase
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{
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#if !defined(__GNUC__) || __GNUC__ > 2
// because of a gcc 2.95 ICE
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protected
:
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#else
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public
:
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#endif
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ReferenceBase
()
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: m_pRefCount(new
RefCount
) {}
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ReferenceBase
(
const
ReferenceBase
& arg)
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: m_pRefCount(0)
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{
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m_pRefCount = arg.
m_pRefCount
;
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m_pRefCount->
inc
();
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}
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void
incRef
()
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{
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m_pRefCount->inc();
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}
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bool
decRef
()
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{
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if
(m_pRefCount->decAndTest())
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{
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delete
m_pRefCount;
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return
true
;
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}
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return
false
;
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}
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void
swap
(
ReferenceBase
& arg)
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{
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RefSwap
(m_pRefCount, arg.
m_pRefCount
);
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}
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void
useRefCountOf
(
const
ReferenceBase
& arg)
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{
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decRef();
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m_pRefCount = arg.
m_pRefCount
;
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incRef();
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}
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#if !defined(__GNUC__) || __GNUC__ > 2
// because of a gcc 2.95 ICE
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protected
:
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#else
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public
:
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#endif
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RefCount
*
volatile
m_pRefCount
;
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};
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}
// end namespace BLOCXX_NAMESPACE
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#endif
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RefCount.hpp
BLOCXX_NAMESPACE::RefCount
Definition
RefCount.hpp:51
BLOCXX_NAMESPACE::RefCount::inc
void inc()
Definition
RefCount.hpp:61
BLOCXX_NAMESPACE::ReferenceBase
Definition
ReferenceBase.hpp:61
BLOCXX_NAMESPACE::ReferenceBase::decRef
bool decRef()
Definition
ReferenceBase.hpp:80
BLOCXX_NAMESPACE::ReferenceBase::swap
void swap(ReferenceBase &arg)
Definition
ReferenceBase.hpp:89
BLOCXX_NAMESPACE::ReferenceBase::ReferenceBase
ReferenceBase()
Definition
ReferenceBase.hpp:67
BLOCXX_NAMESPACE::ReferenceBase::m_pRefCount
RefCount *volatile m_pRefCount
Definition
ReferenceBase.hpp:105
BLOCXX_NAMESPACE::ReferenceBase::incRef
void incRef()
Definition
ReferenceBase.hpp:75
BLOCXX_NAMESPACE::ReferenceBase::ReferenceBase
ReferenceBase(const ReferenceBase &arg)
Definition
ReferenceBase.hpp:69
BLOCXX_NAMESPACE::ReferenceBase::useRefCountOf
void useRefCountOf(const ReferenceBase &arg)
Definition
ReferenceBase.hpp:93
BLOCXX_NAMESPACE
Taken from RFC 1321.
Definition
AppenderLogger.cpp:48
BLOCXX_NAMESPACE::RefSwap
void RefSwap(T &x, T &y)
Definition
ReferenceBase.hpp:51
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