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/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise);
int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise);
/* Advice the system about the expected behaviour of the application with
respect to the file associated with FD. */
struct fadvise64_64_layout
{
int fd;
off64_t offset;
off64_t len;
int advise;
};
int
__posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise)
{
struct fadvise64_64_layout parameters;
parameters.fd = fd;
parameters.offset = offset;
parameters.len = len;
parameters.advise = advise;
int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, ¶meters);
if (!INTERNAL_SYSCALL_ERROR_P (ret))
return 0;
return INTERNAL_SYSCALL_ERRNO (ret);
}
#include <shlib-compat.h>
#if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3)
int
attribute_compat_text_section
__posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise)
{
return __posix_fadvise64_l64 (fd, offset, len, advise);
}
versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3);
compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2);
#else
strong_alias (__posix_fadvise64_l64, posix_fadvise64);
#endif
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