1/*
2 * Copyright (C) 2004, 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 1.17 2007/06/18 23:47:49 tbox Exp $ */
19
20#ifndef ISC_CONDITION_H
21#define ISC_CONDITION_H 1
22
23#include <windows.h>
24
25#include <isc/lang.h>
26#include <isc/mutex.h>
27#include <isc/thread.h>
28#include <isc/types.h>
29
30typedef struct isc_condition_thread isc_condition_thread_t;
31
32struct isc_condition_thread {
33	unsigned long				th;
34	HANDLE					handle[2];
35	ISC_LINK(isc_condition_thread_t)	link;
36
37};
38
39typedef struct isc_condition {
40	HANDLE 		events[2];
41	unsigned int	waiters;
42	ISC_LIST(isc_condition_thread_t) threadlist;
43} isc_condition_t;
44
45ISC_LANG_BEGINDECLS
46
47isc_result_t
48isc_condition_init(isc_condition_t *);
49
50isc_result_t
51isc_condition_wait(isc_condition_t *, isc_mutex_t *);
52
53isc_result_t
54isc_condition_signal(isc_condition_t *);
55
56isc_result_t
57isc_condition_broadcast(isc_condition_t *);
58
59isc_result_t
60isc_condition_destroy(isc_condition_t *);
61
62isc_result_t
63isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
64
65ISC_LANG_ENDDECLS
66
67#endif /* ISC_CONDITION_H */
68