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/*
* $Id$
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* History:
* --------
* 2003-03-17 converted to locking.h (andrei)
* 2004-07-28 s/lock_set_t/gen_lock_set_t/ because of a type conflict
* on darwin (andrei)
* 2007-03-07 timer locks cleanup: timers are now handled outside tm => no
* need for timer locks in tm (andrei)
*/
#include "defs.h"
#ifndef __lock_h
#define __lock_h
#include "../../dprint.h"
#include "../../locking.h"
#ifdef GEN_LOCK_T_PREFERED
#define ser_lock_t gen_lock_t
#else
/* typedef to structure we use for mutexing;
currently, index to a semaphore set identifier now */
typedef struct {
gen_lock_set_t* semaphore_set;
int semaphore_index;
} ser_lock_t;
#endif
#include "h_table.h"
int lock_initialize(void);
void lock_cleanup(void);
#ifdef DBG_LOCK
#define lock(_s) _lock( (_s), __FILE__, __FUNCTION__, __LINE__ )
#define unlock(_s) _unlock( (_s), __FILE__, __FUNCTION__, __LINE__ )
#else
#define lock(_s) _lock( (_s) )
#define unlock(_s) _unlock( (_s) )
#endif
int init_cell_lock( struct cell *cell );
int init_entry_lock( struct s_table* ht, struct entry *entry );
int init_async_lock( struct cell *cell );
int release_cell_lock( struct cell *cell );
int release_entry_lock( struct entry *entry );
/* lock semaphore s */
#ifdef DBG_LOCK
static inline void _lock( ser_lock_t* s , char *file, char *function,
unsigned int line )
#else
static inline void _lock( ser_lock_t* s )
#endif
{
#ifdef DBG_LOCK
DBG("DEBUG: lock : entered from %s , %s(%d)\n", function, file, line );
#endif
#ifdef GEN_LOCK_T_PREFERED
lock_get(s);
#else
lock_set_get(s->semaphore_set, s->semaphore_index);
#endif
}
#ifdef DBG_LOCK
static inline void _unlock( ser_lock_t* s, char *file, char *function,
unsigned int line )
#else
static inline void _unlock( ser_lock_t* s )
#endif
{
#ifdef DBG_LOCK
DBG("DEBUG: unlock : entered from %s, %s:%d\n", file, function, line );
#endif
#ifdef GEN_LOCK_T_PREFERED
lock_release(s);
#else
lock_set_release( s->semaphore_set, s->semaphore_index );
#endif
}
#endif
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