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 | ||
