mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
bb7901065e
* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine OPEN_MAX unless user defined it.
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/* Minimum guaranteed maximum values for system limits. Linux version.
|
|
Copyright (C) 1993, 94, 95, 96, 97, 98, 2000 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* The kernel header pollutes the namespace with the NR_OPEN symbol
|
|
and defines LINK_MAX although filesystems have different maxima. A
|
|
similar thing is true for OPEN_MAX: the limit can be changed at
|
|
runtime and therefore the macro must not be defined. Remove this
|
|
after including the header if necessary. */
|
|
#ifndef NR_OPEN
|
|
# define __undef_NR_OPEN
|
|
#endif
|
|
#ifndef LINK_MAX
|
|
# define __undef_LINK_MAX
|
|
#endif
|
|
#ifndef OPEN_MAX
|
|
# define __undef_OPEN_MAX
|
|
#endif
|
|
|
|
/* The kernel sources contain a file with all the needed information. */
|
|
#include <linux/limits.h>
|
|
|
|
/* Have to remove NR_OPEN? */
|
|
#ifdef __undef_NR_OPEN
|
|
# undef NR_OPEN
|
|
# undef __undef_NR_OPEN
|
|
#endif
|
|
/* Have to remove LINK_MAX? */
|
|
#ifdef __undef_LINK_MAX
|
|
# undef LINK_MAX
|
|
# undef __undef_LINK_MAX
|
|
#endif
|
|
/* Have to remove OPEN_MAX? */
|
|
#ifdef __undef_OPEN_MAX
|
|
# undef OPEN_MAX
|
|
# undef __undef_OPEN_MAX
|
|
#endif
|
|
|
|
/* Maximum amount by which a process can descrease its asynchronous I/O
|
|
priority level. */
|
|
#define AIO_PRIO_DELTA_MAX 20
|