mirror of https://github.com/apache/activemq.git
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
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/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include "Lock.h"
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#include "Exception.h"
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#include "RCSID.h"
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using ActiveMQ::Lock;
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using ActiveMQ::Exception;
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RCSID(Lock, "$Id$");
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Lock::Lock(pthread_mutex_t *m)
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: mutex_(m)
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{
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if (NULL == m)
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throw Exception("NULL mutex passed to Lock");
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int rc = pthread_mutex_lock(m);
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if (rc != 0)
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throw Exception(errno >= sys_nerr
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? "Unknown error"
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: sys_errlist[errno]);
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locked_ = true;
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}
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void
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Lock::unlock() {
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if (locked_) {
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pthread_mutex_unlock(mutex_);
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locked_ = false;
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}
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}
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Lock::~Lock() {
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unlock();
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}
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