1/*
2 * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1998-2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id: condition.h,v 1.26 2007/06/19 23:47:18 tbox Exp $ */
19
20#ifndef ISC_CONDITION_H
21#define ISC_CONDITION_H 1
22
23/*! \file */
24
25#include <isc/lang.h>
26#include <isc/mutex.h>
27#include <isc/result.h>
28#include <isc/types.h>
29
30typedef pthread_cond_t isc_condition_t;
31
32#define isc_condition_init(cp) \
33	((pthread_cond_init((cp), NULL) == 0) ? \
34	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
35
36#if ISC_MUTEX_PROFILE
37#define isc_condition_wait(cp, mp) \
38	((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? \
39	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
40#else
41#define isc_condition_wait(cp, mp) \
42	((pthread_cond_wait((cp), (mp)) == 0) ? \
43	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
44#endif
45
46#define isc_condition_signal(cp) \
47	((pthread_cond_signal((cp)) == 0) ? \
48	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
49
50#define isc_condition_broadcast(cp) \
51	((pthread_cond_broadcast((cp)) == 0) ? \
52	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
53
54#define isc_condition_destroy(cp) \
55	((pthread_cond_destroy((cp)) == 0) ? \
56	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
57
58ISC_LANG_BEGINDECLS
59
60isc_result_t
61isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
62
63ISC_LANG_ENDDECLS
64
65#endif /* ISC_CONDITION_H */
66