2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef _LINUX_WAIT_H_
29 #define _LINUX_WAIT_H_
31 #include <linux/spinlock.h>
32 #include <linux/sched.h>
33 #include <linux/list.h>
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/sleepqueue.h>
38 #include <sys/kernel.h>
41 struct __wait_queue_head {
44 typedef struct __wait_queue_head wait_queue_head_t;
46 #define init_waitqueue_head(x)
49 __wake_up(struct __wait_queue_head *q, int all)
57 wakeup_swapper = sleepq_broadcast(c, SLEEPQ_SLEEP, 0, 0);
59 wakeup_swapper = sleepq_signal(c, SLEEPQ_SLEEP, 0, 0);
65 #define wake_up(q) __wake_up(q, 0)
66 #define wake_up_nr(q, nr) __wake_up(q, 1)
67 #define wake_up_all(q) __wake_up(q, 1)
68 #define wake_up_interruptible(q) __wake_up(q, 0)
69 #define wake_up_interruptible_nr(q, nr) __wake_up(q, 1)
70 #define wake_up_interruptible_all(q, nr) __wake_up(q, 1)
72 #define wait_event(q, cond) \
74 void *c = &(q).wchan; \
82 sleepq_add(c, NULL, "completion", SLEEPQ_SLEEP, 0); \
88 #define wait_event_interruptible(q, cond) \
90 void *c = &(q).wchan; \
95 for (; _error == 0;) { \
101 sleepq_add(c, NULL, "completion", \
102 SLEEPQ_SLEEP | SLEEPQ_INTERRUPTIBLE, 0); \
103 if (sleepq_wait_sig(c, 0)) \
104 _error = -ERESTARTSYS; \
110 #define DEFINE_WAIT(x)
112 #endif /* _LINUX_WAIT_H_ */