1 /* Copyright (C) 2011 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
4 Based on work contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
26 #include <sysdep-cancel.h>
27 #include <sys/syscall.h>
29 #include <kernel-features.h>
32 do_preadv (int fd
, const struct iovec
*vector
, int count
, off_t offset
)
34 assert (sizeof (offset
) == 4);
35 return INLINE_SYSCALL (preadv
, __ALIGNMENT_COUNT (5, 6), fd
,
36 vector
, count
, __ALIGNMENT_ARG
37 __LONG_LONG_PAIR (offset
>> 31, offset
));
41 __libc_preadv (int fd
, const struct iovec
*vector
, int count
, off_t offset
)
44 return do_preadv (fd
, vector
, count
, offset
);
46 int oldtype
= LIBC_CANCEL_ASYNC ();
48 ssize_t result
= do_preadv (fd
, vector
, count
, offset
);
50 LIBC_CANCEL_RESET (oldtype
);
54 strong_alias (__libc_preadv
, __preadv
)
55 weak_alias (__libc_preadv
, preadv
)