1 /*	$NetBSD: condition.h,v 1.4 2014/12/10 04:38:01 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 
32 typedef struct isc_condition_thread isc_condition_thread_t;
33 
34 struct isc_condition_thread {
35 	unsigned long				th;
36 	HANDLE					handle[2];
37 	ISC_LINK(isc_condition_thread_t)	link;
38 
39 };
40 
41 typedef struct isc_condition {
42 	HANDLE 		events[2];
43 	unsigned int	waiters;
44 	ISC_LIST(isc_condition_thread_t) threadlist;
45 } isc_condition_t;
46 
47 ISC_LANG_BEGINDECLS
48 
49 isc_result_t
50 isc_condition_init(isc_condition_t *);
51 
52 isc_result_t
53 isc_condition_wait(isc_condition_t *, isc_mutex_t *);
54 
55 isc_result_t
56 isc_condition_signal(isc_condition_t *);
57 
58 isc_result_t
59 isc_condition_broadcast(isc_condition_t *);
60 
61 isc_result_t
62 isc_condition_destroy(isc_condition_t *);
63 
64 isc_result_t
65 isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
66 
67 ISC_LANG_ENDDECLS
68 
69 #endif /* ISC_CONDITION_H */
70