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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 |