blob: 90663ad217f983635231dc3550d7ac1fc8b18bee [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
13struct 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
24static inline void init_completion(struct completion *x)
25{
26 x->done = 0;
27 init_waitqueue_head(&x->wait);
28}
29
30extern void FASTCALL(wait_for_completion(struct completion *));
31extern int FASTCALL(wait_for_completion_interruptible(struct completion *x));
32extern unsigned long FASTCALL(wait_for_completion_timeout(struct completion *x,
33 unsigned long timeout));
34extern unsigned long FASTCALL(wait_for_completion_interruptible_timeout(
35 struct completion *x, unsigned long timeout));
36
37extern void FASTCALL(complete(struct completion *));
38extern void FASTCALL(complete_all(struct completion *));
39
40#define INIT_COMPLETION(x) ((x).done = 0)
41
42#endif