event.h

   1 #include "config.h"
   2
   3 #include <sys/types.h>
   4 #ifdef HAVE_KQUEUE
   5 #include <sys/event.h>
   6 #endif
   7
   8 struct event;
   9
  10 typedef enum {
  11 #ifdef HAVE_KQUEUE
  12         EVENT_READ =    EVFILT_READ,
  13         EVENT_WRITE =   EVFILT_WRITE,
  14         EVENT_VNODE =   EVFILT_VNODE,
  15 #else
  16         EVENT_READ,
  17         EVENT_WRITE,
  18 #endif
  19 } event_t;
  20
  21 #define EV_FLAG_CLOSING 0x00000001
  22
  23 typedef void    event_process_t(struct event *);
  24 #ifdef HAVE_KQUEUE
  25 typedef void    event_vnode_process_t(struct event *, u_int);
  26 #endif
  27
  28 struct event {
  29         int              fd;
  30         int              index;
  31         event_t          rdwr;
  32         union {
  33                 event_process_t         *process;
  34 #ifdef HAVE_KQUEUE
  35                 event_vnode_process_t   *process_vnode;
  36 #endif
  37         };
  38         void            *data;
  39 };
  40
  41 typedef int     event_module_add_t(struct event *);
  42 typedef int     event_module_del_t(struct event *, int flags);
  43 typedef int     event_module_init_t(void);
  44 typedef void    event_module_fini_t(void);
  45 typedef int     event_module_process_t(struct timeval *);
  46 struct event_module {
  47         event_module_add_t      *add;
  48         event_module_del_t      *del;
  49         event_module_process_t  *process;
  50         event_module_init_t     *init;
  51         event_module_fini_t     *fini;
  52 };
  53
  54 extern struct event_module event_module;