| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |