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 
init_completion(struct completion * x)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 void FASTCALL(complete(struct completion *));
32 
33 #define INIT_COMPLETION(x)	((x).done = 0)
34 
35 #endif
36