1290001Sglebius/*
2290001Sglebius * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3290001Sglebius * Copyright (C) 1998-2001  Internet Software Consortium.
4290001Sglebius *
5290001Sglebius * Permission to use, copy, modify, and/or distribute this software for any
6290001Sglebius * purpose with or without fee is hereby granted, provided that the above
7290001Sglebius * copyright notice and this permission notice appear in all copies.
8290001Sglebius *
9290001Sglebius * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10290001Sglebius * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11290001Sglebius * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12290001Sglebius * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13290001Sglebius * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14290001Sglebius * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15290001Sglebius * PERFORMANCE OF THIS SOFTWARE.
16290001Sglebius */
17290001Sglebius
18290001Sglebius/* $Id: condition.h,v 1.26 2007/06/19 23:47:18 tbox Exp $ */
19290001Sglebius
20290001Sglebius#ifndef ISC_CONDITION_H
21290001Sglebius#define ISC_CONDITION_H 1
22290001Sglebius
23290001Sglebius/*! \file */
24290001Sglebius
25290001Sglebius#include <isc/lang.h>
26290001Sglebius#include <isc/mutex.h>
27290001Sglebius#include <isc/result.h>
28290001Sglebius#include <isc/types.h>
29290001Sglebius
30290001Sglebiustypedef pthread_cond_t isc_condition_t;
31290001Sglebius
32290001Sglebius#define isc_condition_init(cp) \
33290001Sglebius	((pthread_cond_init((cp), NULL) == 0) ? \
34290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
35290001Sglebius
36290001Sglebius#if ISC_MUTEX_PROFILE
37290001Sglebius#define isc_condition_wait(cp, mp) \
38290001Sglebius	((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? \
39290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
40290001Sglebius#else
41290001Sglebius#define isc_condition_wait(cp, mp) \
42290001Sglebius	((pthread_cond_wait((cp), (mp)) == 0) ? \
43290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
44290001Sglebius#endif
45290001Sglebius
46290001Sglebius#define isc_condition_signal(cp) \
47290001Sglebius	((pthread_cond_signal((cp)) == 0) ? \
48290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
49290001Sglebius
50290001Sglebius#define isc_condition_broadcast(cp) \
51290001Sglebius	((pthread_cond_broadcast((cp)) == 0) ? \
52290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
53290001Sglebius
54290001Sglebius#define isc_condition_destroy(cp) \
55290001Sglebius	((pthread_cond_destroy((cp)) == 0) ? \
56290001Sglebius	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
57290001Sglebius
58290001SglebiusISC_LANG_BEGINDECLS
59290001Sglebius
60290001Sglebiusisc_result_t
61290001Sglebiusisc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
62290001Sglebius
63290001SglebiusISC_LANG_ENDDECLS
64290001Sglebius
65290001Sglebius#endif /* ISC_CONDITION_H */
66