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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 00000000000..90663ad217f --- /dev/null +++ b/include/linux/completion.h @@ -0,0 +1,42 @@ +#ifndef __LINUX_COMPLETION_H +#define __LINUX_COMPLETION_H + +/* + * (C) Copyright 2001 Linus Torvalds + * + * Atomic wait-for-completion handler data structures. + * See kernel/sched.c for details. + */ + +#include <linux/wait.h> + +struct completion { + unsigned int done; + wait_queue_head_t wait; +}; + +#define COMPLETION_INITIALIZER(work) \ + { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) } + +#define DECLARE_COMPLETION(work) \ + struct completion work = COMPLETION_INITIALIZER(work) + +static inline void init_completion(struct completion *x) +{ + x->done = 0; + init_waitqueue_head(&x->wait); +} + +extern void FASTCALL(wait_for_completion(struct completion *)); +extern int FASTCALL(wait_for_completion_interruptible(struct completion *x)); +extern unsigned long FASTCALL(wait_for_completion_timeout(struct completion *x, + unsigned long timeout)); +extern unsigned long FASTCALL(wait_for_completion_interruptible_timeout( + struct completion *x, unsigned long timeout)); + +extern void FASTCALL(complete(struct completion *)); +extern void FASTCALL(complete_all(struct completion *)); + +#define INIT_COMPLETION(x) ((x).done = 0) + +#endif |