sysdeps/stub/poll.c

   1 /* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <sys/poll.h>
  20 #include <errno.h>
  21
  22 /* Poll the file descriptors described by the NFDS structures starting at
  23    FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
  24    an event to occur; if TIMEOUT is -1, block until an event occurs.
  25    Returns the number of file descriptors with events, zero if timed out,
  26    or -1 for errors.  */
  27
  28 int
  29 poll (fds, nfds, timeout)
  30      struct pollfd *fds;
  31      unsigned long int nfds;
  32      int timeout;
  33 {
  34   __set_errno (ENOSYS);
  35   return -1;
  36 }
  37
  38 stub_warning (poll)