1 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <kernel-features.h>
24 int __posix_fadvise64_l64 (int fd
, off64_t offset
, off64_t len
, int advise
);
25 int __posix_fadvise64_l32 (int fd
, off64_t offset
, size_t len
, int advise
);
27 /* Advice the system about the expected behaviour of the application with
28 respect to the file associated with FD. */
30 struct fadvise64_64_layout
39 __posix_fadvise64_l64 (int fd
, off64_t offset
, off64_t len
, int advise
)
41 #ifdef __NR_fadvise64_64
42 struct fadvise64_64_layout parameters
;
43 INTERNAL_SYSCALL_DECL (err
);
46 parameters
.offset
= offset
;
48 parameters
.advise
= advise
;
49 int ret
= INTERNAL_SYSCALL (fadvise64_64
, err
, 1, ¶meters
);
50 if (!INTERNAL_SYSCALL_ERROR_P (ret
, err
))
52 # ifndef __ASSUME_FADVISE64_64_SYSCALL
53 if (INTERNAL_SYSCALL_ERRNO (ret
, err
) != ENOSYS
)
55 return INTERNAL_SYSCALL_ERRNO (ret
, err
);
57 #ifndef __ASSUME_FADVISE64_64_SYSCALL
58 # ifdef __NR_fadvise64
59 if (len
!= (off_t
) len
)
62 INTERNAL_SYSCALL_DECL (err2
);
63 int ret2
= INTERNAL_SYSCALL (fadvise64
, err2
, 5, fd
,
64 __LONG_LONG_PAIR ((long) (offset
>> 32),
67 if (!INTERNAL_SYSCALL_ERROR_P (ret2
, err2
))
69 return INTERNAL_SYSCALL_ERRNO (ret2
, err2
);
76 #include <shlib-compat.h>
78 #if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
81 attribute_compat_text_section
82 __posix_fadvise64_l32 (int fd
, off64_t offset
, size_t len
, int advise
)
84 return __posix_fadvise64_l64 (fd
, offset
, len
, advise
);
87 versioned_symbol (libc
, __posix_fadvise64_l64
, posix_fadvise64
, GLIBC_2_3_3
);
88 compat_symbol (libc
, __posix_fadvise64_l32
, posix_fadvise64
, GLIBC_2_2
);
90 strong_alias (__posix_fadvise64_l64
, posix_fadvise64
);