lib/event.h

   1 /*
   2  *      BIRD Library -- Event Processing
   3  *
   4  *      (c) 1999 Martin Mares <mj@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #ifndef _BIRD_EVENT_H_
  10 #define _BIRD_EVENT_H_
  11
  12 #include "lib/resource.h"
  13
  14 typedef struct event {
  15   resource r;
  16   void (*hook)(void *);
  17   void *data;
  18   node n;                               /* Internal link */
  19 } event;
  20
  21 typedef list event_list;
  22
  23 extern event_list global_event_list;
  24
  25 event *ev_new(pool *);
  26 void ev_run(event *);
  27 #define ev_init_list(el) init_list(el)
  28 void ev_enqueue(event_list *, event *);
  29 void ev_schedule(event *);
  30 void ev_postpone(event *);
  31 int ev_run_list(event_list *);
  32
  33 static inline int
  34 ev_active(event *e)
  35 {
  36   return e->n.next != NULL;
  37 }
  38
  39 static inline event*
  40 ev_new_init(pool *p, void (*hook)(void *), void *data)
  41 {
  42   event *e = ev_new(p);
  43   e->hook = hook;
  44   e->data = data;
  45   return e;
  46 }
  47
  48
  49 #endif