mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
f96853beaf
<linux/limits.h> has defined it. * sysdeps/unix/sysv/linux/sys/param.h: Define NCARGS to the legacy ARG_MAX value and prevent ARG_MAX from being defined by the kernel headers. * sysdeps/unix/sysv/linux/sysconf.c: Define legacy_ARG_MAX and use it instead of ARG_MAX.
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/* Minimum guaranteed maximum values for system limits. Linux version.
|
|
Copyright (C) 1993-1998,2000,2003,2004,2008 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. */
|
|
|
|
/* 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
|
|
#ifndef ARG_MAX
|
|
# define __undef_ARG_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
|
|
/* Have to remove ARG_MAX? */
|
|
#ifdef __undef_ARG_MAX
|
|
# undef ARG_MAX
|
|
# undef __undef_ARG_MAX
|
|
#endif
|
|
|
|
/* Maximum amount by which a process can descrease its asynchronous I/O
|
|
priority level. */
|
|
#define AIO_PRIO_DELTA_MAX 20
|
|
|
|
/* Maximum tty name length. */
|
|
#define TTY_NAME_MAX 32
|
|
|
|
/* Maximum login name length. This is arbitrary. */
|
|
#define LOGIN_NAME_MAX 256
|
|
|
|
/* Maximum host name length. */
|
|
#define HOST_NAME_MAX 64
|
|
|
|
/* Maximum message queue priority level. */
|
|
#define MQ_PRIO_MAX 32768
|