71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
// Module: Log4CPLUS
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// File: pointer.cxx
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// Created: 6/2001
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// Author: Tad E. Smith
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//
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//
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// Copyright 2001-2009 Tad E. Smith
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <log4cplus/streams.h>
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#include <log4cplus/helpers/pointer.h>
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#include <log4cplus/helpers/threads.h>
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#include <assert.h>
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namespace log4cplus { namespace helpers {
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///////////////////////////////////////////////////////////////////////////////
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// log4cplus::helpers::SharedObject dtor
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///////////////////////////////////////////////////////////////////////////////
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SharedObject::~SharedObject()
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{
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assert(count == 0);
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LOG4CPLUS_MUTEX_FREE( access_mutex );
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}
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///////////////////////////////////////////////////////////////////////////////
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// log4cplus::helpers::SharedObject public methods
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///////////////////////////////////////////////////////////////////////////////
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void
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SharedObject::addReference() const
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{
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LOG4CPLUS_BEGIN_SYNCHRONIZE_ON_MUTEX( access_mutex )
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assert (count >= 0);
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++count;
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LOG4CPLUS_END_SYNCHRONIZE_ON_MUTEX;
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}
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void
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SharedObject::removeReference() const
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{
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bool destroy = false;
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LOG4CPLUS_BEGIN_SYNCHRONIZE_ON_MUTEX( access_mutex );
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assert (count > 0);
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if (--count == 0)
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destroy = true;
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LOG4CPLUS_END_SYNCHRONIZE_ON_MUTEX;
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if (destroy)
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delete this;
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}
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} } // namespace log4cplus { namespace helpers
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