libc/include/sys/select.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *  Copyright (C) 2010  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   5  *
   6  *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _SELECT_H
  21 #define _SELECT_H
  22
  23 #include <sys/time.h>
  24
  25 #ifndef FD_SETSIZE
  26 #define FD_SETSIZE 64
  27 #endif
  28
  29 typedef struct fd_set {
  30         unsigned int count;
  31         int fd[FD_SETSIZE];
  32 } fd_set;
  33
  34 #define FD_ZERO(set) _fd_zero(set)
  35 #define FD_ISSET(fd, set) _fd_isset(fd, set)
  36 #define FD_SET(fd, set) _fd_set(fd, set)
  37 #define FD_CLR(fd, set) _fd_clr(fd, set)
  38
  39 extern void _fd_clr (int fd, fd_set *set);
  40 extern int _fd_isset (int fd, fd_set *set);
  41 extern void _fd_set (int fd, fd_set *set);
  42 extern void _fd_zero (fd_set *set);
  43 extern int select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
  44
  45 #endif