external/ibm-public/postfix/dist/src/util/events.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef _EVENTS_H_INCLUDED_
   4 #define _EVENTS_H_INCLUDED_
   5
   6 /*++
   7 /* NAME
   8 /*      events 3h
   9 /* SUMMARY
  10 /*      event manager
  11 /* SYNOPSIS
  12 /*      #include <events.h>
  13 /* DESCRIPTION
  14 /* .nf
  15
  16  /*
  17   * System library.
  18   */
  19 #include <time.h>
  20
  21  /*
  22   * External interface.
  23   */
  24 typedef void (*EVENT_NOTIFY_RDWR) (int, char *);
  25 typedef void (*EVENT_NOTIFY_TIME) (int, char *);
  26
  27 extern time_t event_time(void);
  28 extern void event_enable_read(int, EVENT_NOTIFY_RDWR, char *);
  29 extern void event_enable_write(int, EVENT_NOTIFY_RDWR, char *);
  30 extern void event_disable_readwrite(int);
  31 extern time_t event_request_timer(EVENT_NOTIFY_TIME, char *, int);
  32 extern int event_cancel_timer(EVENT_NOTIFY_TIME, char *);
  33 extern void event_loop(int);
  34 extern void event_drain(int);
  35
  36  /*
  37   * Event codes.
  38   */
  39 #define EVENT_READ      (1<<0)          /* read event */
  40 #define EVENT_WRITE     (1<<1)          /* write event */
  41 #define EVENT_XCPT      (1<<2)          /* exception */
  42 #define EVENT_TIME      (1<<3)          /* timer event */
  43
  44 #define EVENT_ERROR     EVENT_XCPT
  45
  46  /*
  47   * Dummies.
  48   */
  49 #define EVENT_NULL_TYPE 0
  50 #define EVENT_NULL_CONTEXT      ((char *) 0)
  51
  52 /* LICENSE
  53 /* .ad
  54 /* .fi
  55 /*      The Secure Mailer license must be distributed with this software.
  56 /* AUTHOR(S)
  57 /*      Wietse Venema
  58 /*      IBM T.J. Watson Research
  59 /*      P.O. Box 704
  60 /*      Yorktown Heights, NY 10598, USA
  61 /* CREATION DATE
  62 /*      Wed Jan 29 17:00:03 EST 1997
  63 /*--*/
  64
  65 #endif