blob: 2c980303f4d75919070b9b871db0c0f16c07adb9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SLEEPQ_H
#define _SYS_SLEEPQ_H
#include <sys/machlock.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Common definition for a sleep queue,
* be it an old-style sleep queue, or
* a constituent of a turnstile.
*/
typedef struct sleepq {
struct _kthread *sq_first;
} sleepq_t;
/*
* Definition of the head of a sleep queue hash bucket.
*/
typedef struct _sleepq_head {
sleepq_t sq_queue;
disp_lock_t sq_lock;
} sleepq_head_t;
#ifdef _KERNEL
#define NSLEEPQ 2048
#define SQHASHINDEX(X) \
((((uintptr_t)(X) >> 2) ^ ((uintptr_t)(X) >> 13) ^ \
((uintptr_t)(X) >> 24)) & (NSLEEPQ - 1))
#define SQHASH(X) (&sleepq_head[SQHASHINDEX(X)])
extern sleepq_head_t sleepq_head[NSLEEPQ];
extern void sleepq_insert(sleepq_t *, struct _kthread *);
extern struct _kthread *sleepq_wakeone_chan(sleepq_t *, void *);
extern void sleepq_wakeall_chan(sleepq_t *, void *);
extern void sleepq_unsleep(struct _kthread *);
extern void sleepq_dequeue(struct _kthread *);
extern void sleepq_unlink(struct _kthread **, struct _kthread *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SLEEPQ_H */
|
