| /* 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) |
