root/sapi/fpm/fpm/fpm_events.h

INCLUDED FROM

   1 
   2         /* $Id: fpm_events.h,v 1.9 2008/05/24 17:38:47 anight Exp $ */
   3         /* (c) 2007,2008 Andrei Nigmatulin */
   4 
   5 #ifndef FPM_EVENTS_H
   6 #define FPM_EVENTS_H 1
   7 
   8 #define FPM_EV_TIMEOUT  (1 << 0)
   9 #define FPM_EV_READ     (1 << 1)
  10 #define FPM_EV_PERSIST  (1 << 2)
  11 #define FPM_EV_EDGE     (1 << 3)
  12 
  13 #define fpm_event_set_timer(ev, flags, cb, arg) fpm_event_set((ev), -1, (flags), (cb), (arg))
  14 
  15 struct fpm_event_s {
  16         int fd;                   /* not set with FPM_EV_TIMEOUT */
  17         struct timeval timeout;   /* next time to trigger */
  18         struct timeval frequency;
  19         void (*callback)(struct fpm_event_s *, short, void *);
  20         void *arg;
  21         int flags;
  22         int index;                /* index of the fd in the ufds array */
  23         short which;              /* type of event */
  24 };
  25 
  26 typedef struct fpm_event_queue_s {
  27         struct fpm_event_queue_s *prev;
  28         struct fpm_event_queue_s *next;
  29         struct fpm_event_s *ev;
  30 } fpm_event_queue;
  31 
  32 struct fpm_event_module_s {
  33         const char *name;
  34         int support_edge_trigger;
  35         int (*init)(int max_fd);
  36         int (*clean)(void);
  37         int (*wait)(struct fpm_event_queue_s *queue, unsigned long int timeout);
  38         int (*add)(struct fpm_event_s *ev);
  39         int (*remove)(struct fpm_event_s *ev);
  40 };
  41 
  42 void fpm_event_loop(int err);
  43 void fpm_event_fire(struct fpm_event_s *ev);
  44 int fpm_event_init_main();
  45 int fpm_event_set(struct fpm_event_s *ev, int fd, int flags, void (*callback)(struct fpm_event_s *, short, void *), void *arg);
  46 int fpm_event_add(struct fpm_event_s *ev, unsigned long int timeout);
  47 int fpm_event_del(struct fpm_event_s *ev);
  48 int fpm_event_pre_init(char *machanism);
  49 const char *fpm_event_machanism_name();
  50 int fpm_event_support_edge_trigger();
  51 
  52 #endif