| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Poll (or wait) for file descriptor I/O availability. Stub version. |
| 2 | Copyright (C) 1994-2015 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 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 (struct pollfd *fds, nfds_t nfds, int timeout) |
| 30 | { |
| 31 | __set_errno (ENOSYS); |
| 32 | return -1; |
| 33 | } |
| 34 | libc_hidden_def (__poll) |
| 35 | weak_alias (__poll, poll) |
| 36 | |
| 37 | stub_warning (poll) |