1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/* Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <endian.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
ssize_t
__libc_pwrite64 (int fd, const void *buf, size_t count, off64_t offset)
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, buf, count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* In the ARM EABI, 64-bit values are aligned to even/odd register
pairs for syscalls. */
result = INLINE_SYSCALL (pwrite64, 6, fd, buf, count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pwrite64, __pwrite64)
libc_hidden_weak (__pwrite64)
weak_alias (__libc_pwrite64, pwrite64)
|
