1/*	$NetBSD: condition.h,v 1.6 2020/05/25 20:47:23 christos Exp $	*/
2
3/*
4 * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 1998-2001  Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/* Id: condition.h,v 1.17 2007/06/18 23:47:49 tbox Exp  */
21
22#ifndef ISC_CONDITION_H
23#define ISC_CONDITION_H 1
24
25#include <windows.h>
26
27#include <isc/lang.h>
28#include <isc/mutex.h>
29#include <isc/thread.h>
30#include <isc/types.h>
31
32typedef struct isc_condition_thread isc_condition_thread_t;
33
34struct isc_condition_thread {
35	unsigned long				th;
36	HANDLE					handle[2];
37	ISC_LINK(isc_condition_thread_t)	link;
38
39};
40
41typedef struct isc_condition {
42	HANDLE 		events[2];
43	unsigned int	waiters;
44	ISC_LIST(isc_condition_thread_t) threadlist;
45} isc_condition_t;
46
47ISC_LANG_BEGINDECLS
48
49isc_result_t
50isc_condition_init(isc_condition_t *);
51
52isc_result_t
53isc_condition_wait(isc_condition_t *, isc_mutex_t *);
54
55isc_result_t
56isc_condition_signal(isc_condition_t *);
57
58isc_result_t
59isc_condition_broadcast(isc_condition_t *);
60
61isc_result_t
62isc_condition_destroy(isc_condition_t *);
63
64isc_result_t
65isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
66
67ISC_LANG_ENDDECLS
68
69#endif /* ISC_CONDITION_H */
70