gremlin/libs/log4cplus/src/pointer.cxx

71 lines
1.9 KiB
C++

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