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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
/**
* \file smutex.h
*
* Qpid asynchronous store plugin library
*
* Messaging journal scoped mutex class mrg::journal::smutex.
*
* \author Kim van der Riet
*/
#ifndef QPID_LEGACYSTORE_JRNL_SMUTEX_H
#define QPID_LEGACYSTORE_JRNL_SMUTEX_H
#include "qpid/legacystore/jrnl/jexception.h"
#include <pthread.h>
namespace mrg
{
namespace journal
{
// Ultra-simple scoped mutex class that allows a posix mutex to be initialized and destroyed with error checks
class smutex
{
protected:
mutable pthread_mutex_t _m;
public:
inline smutex()
{
PTHREAD_CHK(::pthread_mutex_init(&_m, 0), "::pthread_mutex_init", "smutex", "smutex");
}
inline virtual ~smutex()
{
PTHREAD_CHK(::pthread_mutex_destroy(&_m), "::pthread_mutex_destroy", "smutex", "~smutex");
}
inline pthread_mutex_t* get() const { return &_m; }
};
} // namespace journal
} // namespace mrg
#endif // ifndef QPID_LEGACYSTORE_JRNL_SMUTEX_H
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