non/Timeline/RWLock.H

74 lines
2.2 KiB
C++

/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include <pthread.h>
class RWLock
{
pthread_rwlock_t _lock;
public:
RWLock ( )
{
// _lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
pthread_rwlock_init( &_lock, NULL );
}
virtual ~RWLock ( )
{
pthread_rwlock_destroy( &_lock );
}
void
rdlock ( void )
{
pthread_rwlock_rdlock( &_lock );
}
void
wrlock ( void )
{
pthread_rwlock_wrlock( &_lock );
}
void
unlock ( void )
{
pthread_rwlock_unlock( &_lock );
}
int
tryrdlock ( void )
{
return pthread_rwlock_tryrdlock( &_lock );
}
int
trywrlock ( void )
{
return pthread_rwlock_trywrlock( &_lock );
}
};