xref: /freebsd/sys/compat/linuxkpi/common/include/linux/completion.h (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	_LINUX_COMPLETION_H_
32 #define	_LINUX_COMPLETION_H_
33 
34 #include <linux/errno.h>
35 
36 struct completion {
37 	unsigned int done;
38 };
39 
40 #define	INIT_COMPLETION(c) \
41 	((c).done = 0)
42 #define	init_completion(c) \
43 	do { (c)->done = 0; } while (0)
44 #define	reinit_completion(c) \
45 	do { (c)->done = 0; } while (0)
46 #define	complete(c)				\
47 	linux_complete_common((c), 0)
48 #define	complete_all(c)				\
49 	linux_complete_common((c), 1)
50 #define	wait_for_completion(c)			\
51 	linux_wait_for_common((c), 0)
52 #define	wait_for_completion_interruptible(c)	\
53 	linux_wait_for_common((c), 1)
54 #define	wait_for_completion_timeout(c, timeout)	\
55 	linux_wait_for_timeout_common((c), (timeout), 0)
56 #define	wait_for_completion_interruptible_timeout(c, timeout)	\
57 	linux_wait_for_timeout_common((c), (timeout), 1)
58 #define	try_wait_for_completion(c) \
59 	linux_try_wait_for_completion(c)
60 #define	completion_done(c) \
61 	linux_completion_done(c)
62 
63 extern void linux_complete_common(struct completion *, int);
64 extern int linux_wait_for_common(struct completion *, int);
65 extern int linux_wait_for_timeout_common(struct completion *, int, int);
66 extern int linux_try_wait_for_completion(struct completion *);
67 extern int linux_completion_done(struct completion *);
68 
69 #endif					/* _LINUX_COMPLETION_H_ */
70