YAZ 5.35.1
mutex.h
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1/* This file is part of the YAZ toolkit.
2 * Copyright (C) Index Data.
3 * All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
32#ifndef YAZ_MUTEX_H
33#define YAZ_MUTEX_H
34
35#include <stddef.h>
36#include <time.h>
37#include <yaz/yconfig.h>
38
40
42typedef struct yaz_mutex *YAZ_MUTEX;
43
45typedef struct yaz_cond *YAZ_COND;
46
53YAZ_EXPORT void yaz_mutex_create(YAZ_MUTEX *mutexp);
54
58YAZ_EXPORT void yaz_mutex_enter(YAZ_MUTEX mutex);
59
60
64YAZ_EXPORT void yaz_mutex_leave(YAZ_MUTEX mutex);
65
66
72YAZ_EXPORT void yaz_mutex_destroy(YAZ_MUTEX *mutexp);
73
74
87YAZ_EXPORT
88void yaz_mutex_set_name(YAZ_MUTEX mutex, int log_level, const char *name);
89
96YAZ_EXPORT void yaz_cond_create(YAZ_COND *p);
97
103YAZ_EXPORT
105
106struct timeval;
107
115YAZ_EXPORT
116int yaz_cond_wait(YAZ_COND p, YAZ_MUTEX m, const struct timeval *abstime);
117
121YAZ_EXPORT
123
127YAZ_EXPORT
129
131
132#endif
133/*
134 * Local variables:
135 * c-basic-offset: 4
136 * c-file-style: "Stroustrup"
137 * indent-tabs-mode: nil
138 * End:
139 * vim: shiftwidth=4 tabstop=8 expandtab
140 */
141
static int log_level
Definition eventl.c:39
char * name
Definition initopt.c:18
void yaz_mutex_destroy(YAZ_MUTEX *mutexp)
destroy MUTEX
Definition mutex.c:141
void yaz_mutex_set_name(YAZ_MUTEX mutex, int log_level, const char *name)
sets name of MUTEX for debugging purposes
Definition mutex.c:58
struct yaz_cond * YAZ_COND
YAZ condition opaque pointer.
Definition mutex.h:45
struct yaz_mutex * YAZ_MUTEX
YAZ MUTEX opaque pointer.
Definition mutex.h:42
void yaz_mutex_enter(YAZ_MUTEX mutex)
enter critical section / AKA lock
Definition mutex.c:72
void yaz_cond_destroy(YAZ_COND *p)
destroys condition variable
Definition condvar.c:62
void yaz_cond_create(YAZ_COND *p)
creates condition variable
Definition condvar.c:49
int yaz_cond_signal(YAZ_COND p)
unblock one thread waiting for block
Definition condvar.c:108
void yaz_mutex_create(YAZ_MUTEX *mutexp)
create MUTEX
Definition mutex.c:43
int yaz_cond_broadcast(YAZ_COND p)
unblock all threads waiting for block
Definition condvar.c:120
void yaz_mutex_leave(YAZ_MUTEX mutex)
leave critical section / AKA unlock
Definition mutex.c:123
int yaz_cond_wait(YAZ_COND p, YAZ_MUTEX m, const struct timeval *abstime)
waits for condition
Definition condvar.c:75
Header with fundamental macros.
#define YAZ_BEGIN_CDECL
Definition yconfig.h:56
#define YAZ_END_CDECL
Definition yconfig.h:57