git.sesse.net Git - bcachefs-tools-debian/blob - 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/completion.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 DECLARE_COMPLETION(work)                                        \
  19         struct completion work = {                                      \
  20                 .done = 0,                                              \
  21                 .wait = __WAIT_QUEUE_HEAD_INITIALIZER((work).wait)      \
  22         }
  23
  24 #define DECLARE_COMPLETION_ONSTACK(work) DECLARE_COMPLETION(work)
  25
  26 static inline void init_completion(struct completion *x)
  27 {
  28         x->done = 0;
  29         init_waitqueue_head(&x->wait);
  30 }
  31
  32 static inline void reinit_completion(struct completion *x)
  33 {
  34         x->done = 0;
  35 }
  36
  37 void complete(struct completion *);
  38 void wait_for_completion(struct completion *);
  39
  40 #define wait_for_completion_interruptible(x) (wait_for_completion(x), 0)
  41
  42 #endif