opensolaris/sys/kcondvar.h

/*-
 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef _OPENSOLARIS_SYS_CONDVAR_H_
#define _OPENSOLARIS_SYS_CONDVAR_H_

#include <sys/param.h>
#include <sys/proc.h>

#ifdef _KERNEL

#include <sys/mutex.h>
#include <sys/condvar.h>

typedef struct cv       kcondvar_t;

typedef enum {
        CV_DEFAULT,
        CV_DRIVER
} kcv_type_t;

#define zfs_cv_init(cv, name, type, arg)        do {                    \
        const char *_name;                                              \
        ASSERT((type) == CV_DEFAULT);                                   \
        for (_name = #cv; *_name != '\0'; _name++) {                    \
                if (*_name >= 'a' && *_name <= 'z')                     \
                        break;                                          \
        }                                                               \
        if (*_name == '\0')                                             \
                _name = #cv;                                            \
        cv_init((cv), _name);                                           \
} while (0)
#define cv_init(cv, name, type, arg)    zfs_cv_init((cv), (name), (type), (arg))

#endif  /* _KERNEL */

#endif  /* _OPENSOLARIS_SYS_CONDVAR_H_ */
Revision:	7064
Committed:	Sun Jun 21 18:56:23 2015 UTC (8 years, 10 months ago) by laffer1
Content type:	text/plain
File size:	2136 byte(s)
Log Message:	MFC: Trim support for ZFS
#	User	Rev	Content
1	laffer1	1995	/*-
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	laffer1	5210	* $FreeBSD$
27	laffer1	1995	*/
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
40			typedef struct cv kcondvar_t;
41
42			typedef enum {
43			CV_DEFAULT,
44			CV_DRIVER
45			} kcv_type_t;
46
47			#define zfs_cv_init(cv, name, type, arg) do { \
48	laffer1	4776	const char *_name; \
49	laffer1	1995	ASSERT((type) == CV_DEFAULT); \
50	laffer1	4776	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	laffer1	1995	} 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_ */