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As modern software keeps growing in size, we get requests to update the value of ARG_MAX in order to link the resulting object files. Other OSs have much higher values but Increasiong ARG_MAX has a multiplied effect on KVA, so just bumping this value is dangerous in some archs like ARM32 that can exhaust KVA rather easily. While it would be better to have a unique value for all archs, other OSs (Illumos in partidular) can have different ARG_MAX limits depending on the platform, For now we want to be really conservative so we are avoidng the change on ILP32 and in the alternative case we only double it since that seems to work well enough for recent Code Aster. I was planning to bump the _FreeBSD_version but it was bumped recently (r355798) so we can reuse the 1300068 value for this change. PR: 241710 MFC after: 5 days
81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)syslimits.h 8.1 (Berkeley) 6/2/93
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* $FreeBSD$
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*/
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#ifndef _SYS_SYSLIMITS_H_
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#define _SYS_SYSLIMITS_H_
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#if !defined(_STANDALONE) && !defined(_KERNEL) && !defined(_LIMITS_H_) && !defined(_SYS_PARAM_H_)
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#ifndef _SYS_CDEFS_H_
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#error this file needs sys/cdefs.h as a prerequisite
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#endif
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#ifdef __CC_SUPPORTS_WARNING
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#warning "No user-serviceable parts inside."
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#endif
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#endif
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/*
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* Do not add any new variables here. (See the comment at the end of
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* the file for why.)
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*/
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#ifndef __ILP32__
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#define ARG_MAX (2 * 256 * 1024) /* max bytes for an exec function */
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#else
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#define ARG_MAX (256 * 1024) /* max bytes for KVA-starved archs */
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#endif
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#ifndef CHILD_MAX
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#define CHILD_MAX 40 /* max simultaneous processes */
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#endif
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#define MAX_CANON 255 /* max bytes in term canon input line */
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#define MAX_INPUT 255 /* max bytes in terminal input */
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#define NAME_MAX 255 /* max bytes in a file name */
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#ifndef NGROUPS_MAX
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#define NGROUPS_MAX 1023 /* max supplemental group id's */
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#endif
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#ifndef OPEN_MAX
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#define OPEN_MAX 64 /* max open files per process */
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#endif
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#define PATH_MAX 1024 /* max bytes in pathname */
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#define PIPE_BUF 512 /* max bytes for atomic pipe writes */
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#define IOV_MAX 1024 /* max elements in i/o vector */
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/*
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* We leave the following values undefined to force applications to either
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* assume conservative values or call sysconf() to get the current value.
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*
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* HOST_NAME_MAX
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*
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* (We should do this for most of the values currently defined here,
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* but many programs are not prepared to deal with this yet.)
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*/
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#endif
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