diff options
Diffstat (limited to 'include/linux/completion.h')
-rw-r--r-- | include/linux/completion.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/completion.h b/include/linux/completion.h new file mode 100644 index 000000000000..90663ad217f9 --- /dev/null +++ b/include/linux/completion.h | |||
@@ -0,0 +1,42 @@ | |||
1 | #ifndef __LINUX_COMPLETION_H | ||
2 | #define __LINUX_COMPLETION_H | ||
3 | |||
4 | /* | ||
5 | * (C) Copyright 2001 Linus Torvalds | ||
6 | * | ||
7 | * Atomic wait-for-completion handler data structures. | ||
8 | * See kernel/sched.c for details. | ||
9 | */ | ||
10 | |||
11 | #include <linux/wait.h> | ||
12 | |||
13 | struct completion { | ||
14 | unsigned int done; | ||
15 | wait_queue_head_t wait; | ||
16 | }; | ||
17 | |||
18 | #define COMPLETION_INITIALIZER(work) \ | ||
19 | { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) } | ||
20 | |||
21 | #define DECLARE_COMPLETION(work) \ | ||
22 | struct completion work = COMPLETION_INITIALIZER(work) | ||
23 | |||
24 | static inline void init_completion(struct completion *x) | ||
25 | { | ||
26 | x->done = 0; | ||
27 | init_waitqueue_head(&x->wait); | ||
28 | } | ||
29 | |||
30 | extern void FASTCALL(wait_for_completion(struct completion *)); | ||
31 | extern int FASTCALL(wait_for_completion_interruptible(struct completion *x)); | ||
32 | extern unsigned long FASTCALL(wait_for_completion_timeout(struct completion *x, | ||
33 | unsigned long timeout)); | ||
34 | extern unsigned long FASTCALL(wait_for_completion_interruptible_timeout( | ||
35 | struct completion *x, unsigned long timeout)); | ||
36 | |||
37 | extern void FASTCALL(complete(struct completion *)); | ||
38 | extern void FASTCALL(complete_all(struct completion *)); | ||
39 | |||
40 | #define INIT_COMPLETION(x) ((x).done = 0) | ||
41 | |||
42 | #endif | ||