1/*-
2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * Copyright (c) 2013 iXsystems, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30#ifndef _OPENSOLARIS_SYS_CONDVAR_H_
31#define	_OPENSOLARIS_SYS_CONDVAR_H_
32
33#include <sys/param.h>
34#include <sys/proc.h>
35
36#ifdef _KERNEL
37
38#include <sys/mutex.h>
39#include <sys/condvar.h>
40#include <sys/time.h>
41
42typedef struct cv	kcondvar_t;
43
44typedef enum {
45	CV_DEFAULT,
46	CV_DRIVER
47} kcv_type_t;
48
49#define	zfs_cv_init(cv, name, type, arg)	do {			\
50	const char *_name;						\
51	ASSERT((type) == CV_DEFAULT);					\
52	for (_name = #cv; *_name != '\0'; _name++) {			\
53		if (*_name >= 'a' && *_name <= 'z')			\
54			break;						\
55	}								\
56	if (*_name == '\0')						\
57		_name = #cv;						\
58	cv_init((cv), _name);						\
59} while (0)
60#define	cv_init(cv, name, type, arg)	zfs_cv_init(cv, name, type, arg)
61
62static clock_t
63cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, hrtime_t res,
64    int flag)
65{
66	sbintime_t sbt;
67	sbintime_t pr;
68
69	sbt = tim * SBT_1NS;
70	pr = res * SBT_1NS;
71
72	return (cv_timedwait_sbt(cvp, mp, sbt, pr, 0));
73}
74
75#endif	/* _KERNEL */
76
77#endif	/* _OPENSOLARIS_SYS_CONDVAR_H_ */
78