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
|
/* vi: set sw=4 ts=4: */
/*
* posix_fadvise() for Xtensa uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
* Copyright (C) 2007 Tensilica Inc.
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#ifdef __NR_fadvise64_64
# include <fcntl.h>
# include <endian.h>
int posix_fadvise (int fd, off_t offset, off_t len, int advice)
{
INTERNAL_SYSCALL_DECL (err);
int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advice,
__LONG_LONG_PAIR ((long) (offset >> 31), (long) offset),
__LONG_LONG_PAIR ((long) (len >> 31), (long) len));
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
return INTERNAL_SYSCALL_ERRNO (ret, err);
return 0;
}
#endif
|
