kcondvar.h revision 177698 
1/*-
2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/cddl/compat/opensolaris/sys/kcondvar.h 173371 2007-11-05 18:40:55Z pjd $
27 */
28
29#ifndef _OPENSOLARIS_SYS_CONDVAR_H_
30#define	_OPENSOLARIS_SYS_CONDVAR_H_
31
32#include <sys/param.h>
33#include <sys/proc.h>
34
35#ifdef _KERNEL
36
37#include <sys/mutex.h>
38#include <sys/condvar.h>
39
40typedef struct cv	kcondvar_t;
41
42typedef enum {
43	CV_DEFAULT,
44	CV_DRIVER
45} kcv_type_t;
46
47#define	zfs_cv_init(cv, name, type, arg)	do {			\
48	const char *_name;						\
49	ASSERT((type) == CV_DEFAULT);					\
50	for (_name = #cv; *_name != '\0'; _name++) {			\
51		if (*_name >= 'a' && *_name <= 'z')			\
52			break;						\
53	}								\
54	if (*_name == '\0')						\
55		_name = #cv;						\
56	cv_init((cv), _name);						\
57} while (0)
58#define	cv_init(cv, name, type, arg)	zfs_cv_init((cv), (name), (type), (arg))
59
60#endif	/* _KERNEL */
61
62#endif	/* _OPENSOLARIS_SYS_CONDVAR_H_ */
63