/* Poll (or wait) for file descriptor I/O availability.  Stub version.

   Copyright (C) 1994-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <sys/poll.h>

#include <errno.h>

/* Poll the file descriptors described by the NFDS structures starting at

   FDS.  If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for

   an event to occur; if TIMEOUT is -1, block until an event occurs.

   Returns the number of file descriptors with events, zero if timed out,

   or -1 for errors.  */

int

__poll (struct pollfd *fds, nfds_t nfds, int timeout)

{

  __set_errno (ENOSYS);

  return -1;

}

libc_hidden_def (__poll)

weak_alias (__poll, poll)

stub_warning (poll)