File: lock.h

package info (click to toggle)
openser 1.1.0-9etch1
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k
  • size: 9,828 kB
  • ctags: 11,809
  • sloc: ansic: 120,528; sh: 5,249; yacc: 1,716; makefile: 1,261; php: 656; perl: 205; sql: 190
file content (131 lines) | stat: -rw-r--r-- 3,007 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * $Id: lock.h,v 1.1.1.1 2005/06/13 16:47:46 bogdan_iancu Exp $
 *
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * This file is part of openser, a free SIP server.
 *
 * openser 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
 *
 * openser 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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)
 */

#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


enum timer_groups {
	TG_FR,
	TG_WT,
	TG_DEL,
	TG_RT,
	TG_NR
};


/* extern ser_lock_t timer_group_lock[TG_NR]; */


#include "h_table.h"
#include "timer.h" 

/* Uni*x permissions for IPC */
#define IPC_PERMISSIONS 0666


int lock_initialize();
void lock_cleanup();

#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 release_cell_lock( struct cell *cell );
int release_entry_lock( struct entry *entry );
int release_timerlist_lock( struct timer *timerlist );



/* 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
}

int init_timerlist_lock(  enum lists timerlist_id);


#endif