release/src/router/rp-l2tp/libevent/eventpriv.h

   1 /***********************************************************************
   2 *
   3 * eventpriv.h
   4 *
   5 * Abstraction of select call into "event-handling" to make programming
   6 * easier.  This header includes "private" definitions which users
   7 * of the event-handling code should not care about.
   8 *
   9 * Copyright (C) 2001 Roaring Penguin Software Inc.
  10 *
  11 * This program may be distributed according to the terms of the GNU
  12 * General Public License, version 2 or (at your option) any later version.
  13 *
  14 * $Id: eventpriv.h,v 1.1.48.1 2005/08/08 12:05:25 honor Exp $
  15 *
  16 * LIC: GPL
  17 *
  18 ***********************************************************************/
  19
  20 #ifndef INCLUDE_EVENTPRIV_H
  21 #define INCLUDE_EVENTPRIV_H 1
  22 #include <sys/time.h>
  23 #include <sys/types.h>
  24 #include <unistd.h>
  25
  26 /* Handler structure */
  27 typedef struct EventHandler_t {
  28     struct EventHandler_t *next; /* Link in list                           */
  29     int fd;                     /* File descriptor for select              */
  30     unsigned int flags;         /* Select on read or write; enable timeout */
  31     struct timeval tmout;       /* Absolute time for timeout               */
  32     EventCallbackFunc fn;       /* Callback function                       */
  33     void *data;                 /* Extra data to pass to callback          */
  34 } EventHandler;
  35
  36 /* Selector structure */
  37 typedef struct EventSelector_t {
  38     EventHandler *handlers;     /* Linked list of EventHandlers            */
  39     int nestLevel;              /* Event-handling nesting level            */
  40     int opsPending;             /* True if operations are pending          */
  41     int destroyPending;         /* If true, a destroy is pending           */
  42 } EventSelector;
  43
  44 /* Private flags */
  45 #define EVENT_FLAG_DELETED 256
  46 #endif