1168404Spjd/*-
2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3255437Sdelphij * Copyright (c) 2013 iXsystems, Inc.
4168404Spjd * All rights reserved.
5168404Spjd *
6168404Spjd * Redistribution and use in source and binary forms, with or without
7168404Spjd * modification, are permitted provided that the following conditions
8168404Spjd * are met:
9168404Spjd * 1. Redistributions of source code must retain the above copyright
10168404Spjd *    notice, this list of conditions and the following disclaimer.
11168404Spjd * 2. Redistributions in binary form must reproduce the above copyright
12168404Spjd *    notice, this list of conditions and the following disclaimer in the
13168404Spjd *    documentation and/or other materials provided with the distribution.
14168404Spjd *
15168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18168404Spjd * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25168404Spjd * SUCH DAMAGE.
26168404Spjd *
27168404Spjd * $FreeBSD$
28168404Spjd */
29168404Spjd
30168404Spjd#ifndef _OPENSOLARIS_SYS_CONDVAR_H_
31168404Spjd#define	_OPENSOLARIS_SYS_CONDVAR_H_
32168404Spjd
33168404Spjd#include <sys/param.h>
34168404Spjd#include <sys/proc.h>
35168404Spjd
36168404Spjd#ifdef _KERNEL
37168404Spjd
38168404Spjd#include <sys/mutex.h>
39168404Spjd#include <sys/condvar.h>
40255437Sdelphij#include <sys/time.h>
41168404Spjd
42168404Spjdtypedef struct cv	kcondvar_t;
43168404Spjd
44168404Spjdtypedef enum {
45168404Spjd	CV_DEFAULT,
46168404Spjd	CV_DRIVER
47168404Spjd} kcv_type_t;
48168404Spjd
49168404Spjd#define	zfs_cv_init(cv, name, type, arg)	do {			\
50173371Spjd	const char *_name;						\
51168404Spjd	ASSERT((type) == CV_DEFAULT);					\
52173371Spjd	for (_name = #cv; *_name != '\0'; _name++) {			\
53173371Spjd		if (*_name >= 'a' && *_name <= 'z')			\
54173371Spjd			break;						\
55173371Spjd	}								\
56173371Spjd	if (*_name == '\0')						\
57173371Spjd		_name = #cv;						\
58173371Spjd	cv_init((cv), _name);						\
59168404Spjd} while (0)
60247684Srpaulo#define	cv_init(cv, name, type, arg)	zfs_cv_init(cv, name, type, arg)
61168404Spjd
62255437Sdelphijstatic clock_t
63255437Sdelphijcv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, hrtime_t res,
64255437Sdelphij    int flag)
65255437Sdelphij{
66255437Sdelphij	sbintime_t sbt;
67255437Sdelphij	sbintime_t pr;
68255437Sdelphij
69255437Sdelphij	sbt = tim * SBT_1NS;
70255437Sdelphij	pr = res * SBT_1NS;
71255437Sdelphij
72255437Sdelphij	return (cv_timedwait_sbt(cvp, mp, sbt, pr, 0));
73255437Sdelphij}
74255437Sdelphij
75168404Spjd#endif	/* _KERNEL */
76168404Spjd
77168404Spjd#endif	/* _OPENSOLARIS_SYS_CONDVAR_H_ */
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