1 /* Copyright (C) 1997-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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, see
17 <http://www.gnu.org/licenses/>. */
24 #include <sysdep-cancel.h>
25 #include <sys/syscall.h>
27 #ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */
29 # error "__NR_pwrite and __NR_pwrite64 both defined???"
31 # define __NR_pwrite __NR_pwrite64
36 #ifdef NO_CANCELLATION
37 inline __attribute ((always_inline
))
39 do_pwrite (int fd
, const void *buf
, size_t count
, off_t offset
)
43 assert (sizeof (offset
) == 4);
44 result
= INLINE_SYSCALL (pwrite
, 5, fd
, buf
, count
,
45 __LONG_LONG_PAIR (offset
>> 31, offset
));
52 __libc_pwrite (fd
, buf
, count
, offset
)
59 return do_pwrite (fd
, buf
, count
, offset
);
61 int oldtype
= LIBC_CANCEL_ASYNC ();
63 ssize_t result
= do_pwrite (fd
, buf
, count
, offset
);
65 LIBC_CANCEL_RESET (oldtype
);
70 strong_alias (__libc_pwrite
, __pwrite
)
71 weak_alias (__libc_pwrite
, pwrite
)