glibc/sysdeps/unix/sysv/linux/readahead.c
Ulrich Drepper a658675d7b Update.
2004-01-20  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/readahead.c (__readahead): Use off64_t
	instead of loff_t.  Include <fcntl.h>.
	* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Add readahead prototype.
	* sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/cris/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise.

	* elf/dl-load.c: Don't add attribute_relro to max_dirnamelen.

	* sysdeps/generic/inttypes.h: Fix PRI*FAST{16,32} macros.

	* include/unistd.h (__libc_enable_secure): Mark attribute_relro.
	(__libc_enable_secure_internal): Likewise.
	* elf/dl-load.c: Don't declare __libc_stack_end.
	* sysdeps/generic/libc-start.c: Likewise.
	* sysdeps/unix/sysv/linux/dl-execstack.c: Likewise.
	* sysdeps/generic/segfault.c: Likewise.  Include ldsodefs.h.
	* sysdeps/generic/backtrace.c: Likewise.
2004-01-20 23:25:27 +00:00

49 lines
1.4 KiB
C

/* Provide kernel hint to read ahead.
Copyright (C) 2002, 2003, 2004 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 <sys/types.h>
#include <sysdep.h>
#include <sys/syscall.h>
#ifdef __NR_readahead
ssize_t
__readahead (int fd, off64_t offset, size_t count)
{
return INLINE_SYSCALL (readahead, 4, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff), count);
}
#else
ssize_t
__readahead (int fd, off64_t offset, size_t count)
{
__set_errno (ENOSYS);
return -1;
}
stub_warning (readahead)
# include <stub-tag.h>
#endif
weak_alias (__readahead, readahead)