mirror of
https://github.com/uroni/urbackup_backend.git
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116 lines
2.7 KiB
C++
116 lines
2.7 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2016 Martin Raiber
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**************************************************************************/
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#include "Mutex_lin.h"
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#include "Server.h"
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#include "stringtools.h"
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#include <assert.h>
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CMutex::CMutex(void)
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{
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pthread_mutexattr_t attr;
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int rc;
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if((rc=pthread_mutexattr_init(&attr))!=0)
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{
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Server->Log("Error initializing mutexattr rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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if((rc=pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE))!=0)
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{
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Server->Log("Error setting PTHREAD_MUTEX_RECURSIVE rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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if((rc=pthread_mutex_init(&ptmutex, &attr))!=0)
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{
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Server->Log("Error initializing mutex rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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if((rc=pthread_mutexattr_destroy(&attr))!=0)
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{
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Server->Log("Error destroing mutexattr rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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}
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CMutex::~CMutex(void)
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{
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int rc;
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if( (rc=pthread_mutex_destroy(&ptmutex))!=0)
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{
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Server->Log("Error destroying mutex rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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}
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void CMutex::Lock(void)
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{
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int rc;
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if((rc=pthread_mutex_lock( &ptmutex ))!=0)
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{
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Server->Log("Error locking mutex rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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}
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bool CMutex::TryLock(void)
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{
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return pthread_mutex_trylock( &ptmutex )==0;
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}
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ILock * CMutex::Lock2(void)
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{
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return new CLock(&ptmutex);
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}
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void CMutex::Unlock(void)
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{
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int rc;
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if((rc=pthread_mutex_unlock( &ptmutex ))!=0)
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{
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Server->Log("Error unlocking mutex rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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}
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CLock::CLock(pthread_mutex_t *ptmutex)
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{
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int rc;
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if((rc=pthread_mutex_lock(ptmutex))!=0)
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{
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Server->Log("Error locking mutex -2 rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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lock=ptmutex;
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}
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CLock::~CLock()
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{
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int rc;
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if((rc=pthread_mutex_unlock(lock))!=0)
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{
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Server->Log("Error unlocking mutex -2 rc="+convert(rc), LL_ERROR);
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assert(false);
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}
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}
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pthread_mutex_t * CLock::getLock()
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{
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return lock;
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}
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