1 /* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include <kernel-features.h>
25 #include <sysdep-cancel.h>
29 # ifndef __ASSUME_PPOLL
30 static int __generic_ppoll (struct pollfd
*fds
, nfds_t nfds
,
31 const struct timespec
*timeout
,
32 const sigset_t
*sigmask
);
37 ppoll (struct pollfd
*fds
, nfds_t nfds
, const struct timespec
*timeout
,
38 const sigset_t
*sigmask
)
40 /* The Linux kernel can in some situations update the timeout value.
41 We do not want that so use a local variable. */
52 result
= INLINE_SYSCALL (ppoll
, 5, fds
, nfds
, timeout
, sigmask
, _NSIG
/ 8);
55 int oldtype
= LIBC_CANCEL_ASYNC ();
57 result
= INLINE_SYSCALL (ppoll
, 5, fds
, nfds
, timeout
, sigmask
,
60 LIBC_CANCEL_RESET (oldtype
);
63 # ifndef __ASSUME_PPOLL
64 if (result
== -1 && errno
== ENOSYS
)
65 result
= __generic_ppoll (fds
, nfds
, timeout
, sigmask
);
71 # ifndef __ASSUME_PPOLL
72 # define ppoll static __generic_ppoll
76 #ifndef __ASSUME_PPOLL
77 # include <io/ppoll.c>