1/* Copyright (C) 2006-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <signal.h>
21#include <time.h>
22#include <sys/poll.h>
23#include <sysdep-cancel.h>
24
25
26int
27ppoll (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
39 return SYSCALL_CANCEL (ppoll, fds, nfds, timeout, sigmask, _NSIG / 8);
40}
41libc_hidden_def (ppoll)
42