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/*- * Copyright (c) 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)syslimits.h 8.1 (Berkeley) 6/2/93 * $FreeBSD: release/9.1.0/sys/sys/syslimits.h 194498 2009-06-19 17:10:35Z brooks $ */ #ifndef _SYS_SYSLIMITS_H_ #define _SYS_SYSLIMITS_H_ #if !defined(_KERNEL) && !defined(_LIMITS_H_) && !defined(_SYS_PARAM_H_) #ifndef _SYS_CDEFS_H_ #error this file needs sys/cdefs.h as a prerequisite #endif #ifdef __CC_SUPPORTS_WARNING #warning "No user-serviceable parts inside." #endif #endif /* * Do not add any new variables here. (See the comment at the end of * the file for why.) */ #define ARG_MAX 262144 /* max bytes for an exec function */ #ifndef CHILD_MAX #define CHILD_MAX 40 /* max simultaneous processes */ #endif #define LINK_MAX 32767 /* max file link count */ #define MAX_CANON 255 /* max bytes in term canon input line */ #define MAX_INPUT 255 /* max bytes in terminal input */ #define NAME_MAX 255 /* max bytes in a file name */ #ifndef NGROUPS_MAX #define NGROUPS_MAX 1023 /* max supplemental group id's */ #endif #ifndef OPEN_MAX #define OPEN_MAX 64 /* max open files per process */ #endif #define PATH_MAX 1024 /* max bytes in pathname */ #define PIPE_BUF 512 /* max bytes for atomic pipe writes */ #define IOV_MAX 1024 /* max elements in i/o vector */ /* * We leave the following values undefined to force applications to either * assume conservative values or call sysconf() to get the current value. * * HOST_NAME_MAX * * (We should do this for most of the values currently defined here, * but many programs are not prepared to deal with this yet.) */ #endif