src/ioset-impl.h

   1 /* srvx event loop implementation details
   2  * Copyright 2006 srvx Development Team
   3  *
   4  * This file is part of srvx.
   5  *
   6  * srvx is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with srvx; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  19  */
  20
  21 #if !defined(IOSET_IMPL_H)
  22 #define IOSET_IMPL_H
  23
  24 #include "ioset.h"
  25
  26 struct timeval;
  27
  28 #define fd_wants_writes(FD) (((FD)->send.get != (FD)->send.put) || (FD)->state == IO_CONNECTING)
  29
  30 struct io_engine {
  31     const char *name;
  32     int (*init)(void);
  33     void (*add)(struct io_fd *fd);
  34     void (*remove)(struct io_fd *fd, int os_closed);
  35     void (*update)(struct io_fd *fd);
  36     int (*loop)(struct timeval *timeout);
  37     void (*cleanup)(void);
  38 };
  39
  40 void ioset_events(struct io_fd *fd, int readable, int writable);
  41
  42 #endif /* !defined(IOSET_IMPL_H) */