1135446Strhodes/*
2193149Sdougb * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
3135446Strhodes * Copyright (C) 1998-2001  Internet Software Consortium.
4135446Strhodes *
5193149Sdougb * Permission to use, copy, modify, and/or distribute this software for any
6135446Strhodes * purpose with or without fee is hereby granted, provided that the above
7135446Strhodes * copyright notice and this permission notice appear in all copies.
8135446Strhodes *
9135446Strhodes * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10135446Strhodes * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11135446Strhodes * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12135446Strhodes * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13135446Strhodes * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14135446Strhodes * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15135446Strhodes * PERFORMANCE OF THIS SOFTWARE.
16135446Strhodes */
17135446Strhodes
18234010Sdougb/* $Id: condition.h,v 1.26 2007/06/19 23:47:18 tbox Exp $ */
19135446Strhodes
20135446Strhodes#ifndef ISC_CONDITION_H
21135446Strhodes#define ISC_CONDITION_H 1
22135446Strhodes
23170222Sdougb/*! \file */
24170222Sdougb
25135446Strhodes#include <isc/lang.h>
26135446Strhodes#include <isc/mutex.h>
27135446Strhodes#include <isc/result.h>
28135446Strhodes#include <isc/types.h>
29135446Strhodes
30135446Strhodestypedef pthread_cond_t isc_condition_t;
31135446Strhodes
32135446Strhodes#define isc_condition_init(cp) \
33135446Strhodes	((pthread_cond_init((cp), NULL) == 0) ? \
34135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
35135446Strhodes
36135446Strhodes#if ISC_MUTEX_PROFILE
37135446Strhodes#define isc_condition_wait(cp, mp) \
38135446Strhodes	((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? \
39135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
40135446Strhodes#else
41135446Strhodes#define isc_condition_wait(cp, mp) \
42135446Strhodes	((pthread_cond_wait((cp), (mp)) == 0) ? \
43135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
44135446Strhodes#endif
45135446Strhodes
46135446Strhodes#define isc_condition_signal(cp) \
47135446Strhodes	((pthread_cond_signal((cp)) == 0) ? \
48135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
49135446Strhodes
50135446Strhodes#define isc_condition_broadcast(cp) \
51135446Strhodes	((pthread_cond_broadcast((cp)) == 0) ? \
52135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
53135446Strhodes
54135446Strhodes#define isc_condition_destroy(cp) \
55135446Strhodes	((pthread_cond_destroy((cp)) == 0) ? \
56135446Strhodes	 ISC_R_SUCCESS : ISC_R_UNEXPECTED)
57135446Strhodes
58135446StrhodesISC_LANG_BEGINDECLS
59135446Strhodes
60135446Strhodesisc_result_t
61135446Strhodesisc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
62135446Strhodes
63135446StrhodesISC_LANG_ENDDECLS
64135446Strhodes
65135446Strhodes#endif /* ISC_CONDITION_H */
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