1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (c) 1988, 1993 3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6*199767f8SToomas Soome * modification, are permitted provided that the following conditions 7*199767f8SToomas Soome * are met: 8*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 10*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 11*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 12*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 13*199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 14*199767f8SToomas Soome * may be used to endorse or promote products derived from this software 15*199767f8SToomas Soome * without specific prior written permission. 16*199767f8SToomas Soome * 17*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27*199767f8SToomas Soome * SUCH DAMAGE. 28*199767f8SToomas Soome * 29*199767f8SToomas Soome * @(#)syslimits.h 8.1 (Berkeley) 6/2/93 30*199767f8SToomas Soome * $FreeBSD$ 31*199767f8SToomas Soome */ 32*199767f8SToomas Soome 33*199767f8SToomas Soome #ifndef _SYS_SYSLIMITS_H_ 34*199767f8SToomas Soome #define _SYS_SYSLIMITS_H_ 35*199767f8SToomas Soome 36*199767f8SToomas Soome #if !defined(_KERNEL) && !defined(_LIMITS_H_) && !defined(_SYS_PARAM_H_) 37*199767f8SToomas Soome #ifndef _SYS_CDEFS_H_ 38*199767f8SToomas Soome #error this file needs sys/cdefs.h as a prerequisite 39*199767f8SToomas Soome #endif 40*199767f8SToomas Soome #ifdef __CC_SUPPORTS_WARNING 41*199767f8SToomas Soome #warning "No user-serviceable parts inside." 42*199767f8SToomas Soome #endif 43*199767f8SToomas Soome #endif 44*199767f8SToomas Soome 45*199767f8SToomas Soome /* 46*199767f8SToomas Soome * Do not add any new variables here. (See the comment at the end of 47*199767f8SToomas Soome * the file for why.) 48*199767f8SToomas Soome */ 49*199767f8SToomas Soome #define ARG_MAX 262144 /* max bytes for an exec function */ 50*199767f8SToomas Soome #ifndef CHILD_MAX 51*199767f8SToomas Soome #define CHILD_MAX 40 /* max simultaneous processes */ 52*199767f8SToomas Soome #endif 53*199767f8SToomas Soome #define LINK_MAX 32767 /* max file link count */ 54*199767f8SToomas Soome #define MAX_CANON 255 /* max bytes in term canon input line */ 55*199767f8SToomas Soome #define MAX_INPUT 255 /* max bytes in terminal input */ 56*199767f8SToomas Soome #define NAME_MAX 255 /* max bytes in a file name */ 57*199767f8SToomas Soome #ifndef NGROUPS_MAX 58*199767f8SToomas Soome #define NGROUPS_MAX 1023 /* max supplemental group id's */ 59*199767f8SToomas Soome #endif 60*199767f8SToomas Soome #ifndef OPEN_MAX 61*199767f8SToomas Soome #define OPEN_MAX 64 /* max open files per process */ 62*199767f8SToomas Soome #endif 63*199767f8SToomas Soome #define PATH_MAX 1024 /* max bytes in pathname */ 64*199767f8SToomas Soome #define PIPE_BUF 512 /* max bytes for atomic pipe writes */ 65*199767f8SToomas Soome #define IOV_MAX 1024 /* max elements in i/o vector */ 66*199767f8SToomas Soome 67*199767f8SToomas Soome /* 68*199767f8SToomas Soome * We leave the following values undefined to force applications to either 69*199767f8SToomas Soome * assume conservative values or call sysconf() to get the current value. 70*199767f8SToomas Soome * 71*199767f8SToomas Soome * HOST_NAME_MAX 72*199767f8SToomas Soome * 73*199767f8SToomas Soome * (We should do this for most of the values currently defined here, 74*199767f8SToomas Soome * but many programs are not prepared to deal with this yet.) 75*199767f8SToomas Soome */ 76*199767f8SToomas Soome #endif 77