1 /* poll file descriptors. Hurd version.
2 Copyright (C) 1998-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
24 /* Poll the file descriptors described by the NFDS structures starting at
25 FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
26 an event to occur; if TIMEOUT is -1, block until an event occurs.
27 Returns the number of file descriptors with events, zero if timed out,
31 __poll (struct pollfd
*fds
, nfds_t nfds
, int timeout
)
33 struct timespec ts
, *to
;
39 ts
.tv_sec
= timeout
/ 1000;
40 ts
.tv_nsec
= (timeout
% 1000) * 1000000;
44 return _hurd_select (nfds
, fds
, NULL
, NULL
, NULL
, to
, NULL
);
46 libc_hidden_def (__poll
)
47 weak_alias (__poll
, poll
)