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04277e02 | 1 | /* Copyright (C) 2006-2019 Free Software Foundation, Inc. |
7c65e900 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2006. | |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
7c65e900 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <signal.h> | |
21 | #include <time.h> | |
22 | #include <sys/poll.h> | |
7c65e900 UD |
23 | #include <sysdep-cancel.h> |
24 | ||
25 | ||
7c65e900 UD |
26 | int |
27 | ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, | |
28 | const sigset_t *sigmask) | |
29 | { | |
30 | /* The Linux kernel can in some situations update the timeout value. | |
31 | We do not want that so use a local variable. */ | |
32 | struct timespec tval; | |
33 | if (timeout != NULL) | |
34 | { | |
35 | tval = *timeout; | |
36 | timeout = &tval; | |
37 | } | |
38 | ||
089b772f | 39 | return SYSCALL_CANCEL (ppoll, fds, nfds, timeout, sigmask, _NSIG / 8); |
7c65e900 | 40 | } |
d9a216c0 | 41 | libc_hidden_def (ppoll) |