1 /* Copyright (C) 2003-2020 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, see
16 <https://www.gnu.org/licenses/>. */
20 #include <shlib-compat.h>
22 int __posix_fadvise64_l64 (int fd
, off64_t offset
, off64_t len
, int advise
);
23 libc_hidden_proto (__posix_fadvise64_l64
)
25 /* Both arm and powerpc implements fadvise64_64 with last 'advise' argument
26 just after 'fd' to avoid the requirement of implementing 7-arg syscalls.
27 ARM also defines __NR_fadvise64_64 as __NR_arm_fadvise64_64.
29 s390 implements fadvice64_64 using a specific struct with arguments
30 packed inside. This is the only implementation handled in arch-specific
33 #ifndef __NR_fadvise64_64
34 # define __NR_fadvise64_64 __NR_fadvise64
37 /* Advice the system about the expected behaviour of the application with
38 respect to the file associated with FD. */
41 __posix_fadvise64_l64 (int fd
, off64_t offset
, off64_t len
, int advise
)
43 INTERNAL_SYSCALL_DECL (err
);
44 #ifdef __ASSUME_FADVISE64_64_6ARG
45 int ret
= INTERNAL_SYSCALL_CALL (fadvise64_64
, err
, fd
, advise
,
46 SYSCALL_LL64 (offset
), SYSCALL_LL64 (len
));
48 int ret
= INTERNAL_SYSCALL_CALL (fadvise64_64
, err
, fd
,
49 __ALIGNMENT_ARG
SYSCALL_LL64 (offset
),
50 SYSCALL_LL64 (len
), advise
);
52 if (!INTERNAL_SYSCALL_ERROR_P (ret
, err
))
54 return INTERNAL_SYSCALL_ERRNO (ret
, err
);
57 /* The type of the len argument was changed from size_t to off_t in
59 #ifndef __OFF_T_MATCHES_OFF64_T
60 # if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
61 int __posix_fadvise64_l32 (int fd
, off64_t offset
, size_t len
, int advise
);
64 attribute_compat_text_section
65 __posix_fadvise64_l32 (int fd
, off64_t offset
, size_t len
, int advise
)
67 return __posix_fadvise64_l64 (fd
, offset
, len
, advise
);
70 versioned_symbol (libc
, __posix_fadvise64_l64
, posix_fadvise64
, GLIBC_2_3_3
);
71 compat_symbol (libc
, __posix_fadvise64_l32
, posix_fadvise64
, GLIBC_2_2
);
73 weak_alias (__posix_fadvise64_l64
, posix_fadvise64
);
76 weak_alias (__posix_fadvise64_l64
, posix_fadvise64
);
77 strong_alias (__posix_fadvise64_l64
, posix_fadvise
);
79 libc_hidden_def (__posix_fadvise64_l64
)