/* Poll system call.
Copyright (C) 1997-2012 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 <errno.h>
#include <sys/poll.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
int
__poll (fds, nfds, timeout)
struct pollfd *fds;
nfds_t nfds;
int timeout;
{
if (SINGLE_THREAD_P)
return INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = INLINE_SYSCALL (poll, 3, CHECK_N (fds, nfds), nfds, timeout);
LIBC_CANCEL_RESET (oldtype);
return result;
}
libc_hidden_def (__poll)
weak_alias (__poll, poll)
strong_alias (__poll, __libc_poll)
