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* sysdeps/unix/sysv/linux/posix_fadvise.c: New file.
	* sysdeps/unix/sysv/linux/syscalls.list: Add posix_fadvise64 syscall.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
This commit is contained in:
Ulrich Drepper
2003-02-05 23:30:38 +00:00
parent e0f86659be
commit 5cd09cd648
10 changed files with 52 additions and 2 deletions
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36
sysdeps/unix/sysv/linux/posix_fadvise.c Normal file
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/* Copyright (C) 2003 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <fcntl.h>
#include <sysdep.h>
/* Advice the system about the expected behaviour of the application with
respect to the file associated with FD. */
int
posix_fadvise (int fd, __off_t offset, size_t len, int advise)
{
#ifdef __NR_fadvise64
return INLINE_SYSCALL (fadvise64, 5, fd,
__LONG_LONG_PAIR (offset >> 31, offset), len, advise);
#else
__set_errno (ENOSYS);
return -1;
#endif
}