LXR linux-old/include/linux/completion.h

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