sl@0: /*- sl@0: * Copyright (c) 1988, 1993 sl@0: * The Regents of the University of California. All rights reserved. sl@0: * sl@0: * Redistribution and use in source and binary forms, with or without sl@0: * modification, are permitted provided that the following conditions sl@0: * are met: sl@0: * 1. Redistributions of source code must retain the above copyright sl@0: * notice, this list of conditions and the following disclaimer. sl@0: * 2. Redistributions in binary form must reproduce the above copyright sl@0: * notice, this list of conditions and the following disclaimer in the sl@0: * documentation and/or other materials provided with the distribution. sl@0: * 4. Neither the name of the University nor the names of its contributors sl@0: * may be used to endorse or promote products derived from this software sl@0: * without specific prior written permission. sl@0: * sl@0: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND sl@0: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE sl@0: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE sl@0: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE sl@0: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL sl@0: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS sl@0: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) sl@0: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT sl@0: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY sl@0: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF sl@0: * SUCH DAMAGE. sl@0: * sl@0: * @(#)syslimits.h 8.1 (Berkeley) 6/2/93 sl@0: * $FreeBSD: src/sys/sys/syslimits.h,v 1.21 2005/03/02 21:33:29 joerg Exp $ sl@0: */ sl@0: sl@0: #ifndef _SYS_SYSLIMITS_H_ sl@0: #define _SYS_SYSLIMITS_H_ sl@0: sl@0: #if !defined(_KERNEL) && !defined(_LIMITS_H_) && !defined(_SYS_PARAM_H_) sl@0: #ifndef _SYS_CDEFS_H_ sl@0: #error this file needs sys/cdefs.h as a prerequisite sl@0: #endif sl@0: #ifdef __CC_SUPPORTS_WARNING sl@0: #warning "No user-serviceable parts inside." sl@0: #endif sl@0: #endif sl@0: sl@0: /* sl@0: * Do not add any new variables here. (See the comment at the end of sl@0: * the file for why.) sl@0: */ sl@0: #if defined(__arm__) || defined(__powerpc__) sl@0: #define ARG_MAX 65536 /* max bytes for an exec function */ sl@0: #else sl@0: #define ARG_MAX 262144 /* max bytes for an exec function */ sl@0: #endif sl@0: #ifndef CHILD_MAX sl@0: #define CHILD_MAX 40 /* max simultaneous processes */ sl@0: #endif sl@0: #define LINK_MAX 32767 /* max file link count */ sl@0: #define MAX_CANON 255 /* max bytes in term canon input line */ sl@0: #define MAX_INPUT 255 /* max bytes in terminal input */ sl@0: #define NAME_MAX 255 /* max bytes in a file name */ sl@0: #define NGROUPS_MAX 16 /* max supplemental group id's */ sl@0: #ifndef OPEN_MAX sl@0: #define OPEN_MAX 256 /* max open files per process */ sl@0: #endif sl@0: #ifndef __SYMBIAN32__ sl@0: #define PATH_MAX 1024 /* max bytes in pathname */ sl@0: #else sl@0: #define PATH_MAX 256 /* max bytes in pathname. In Symbian, this cant be more than 256 */ sl@0: #endif /* __SYMBIAN32__ */ sl@0: #define PIPE_BUF 512 /* max bytes for atomic pipe writes */ sl@0: #define IOV_MAX 1024 /* max elements in i/o vector */ sl@0: sl@0: /* sl@0: * We leave the following values undefined to force applications to either sl@0: * assume conservative values or call sysconf() to get the current value. sl@0: * sl@0: * HOST_NAME_MAX sl@0: * sl@0: * (We should do this for most of the values currently defined here, sl@0: * but many programs are not prepared to deal with this yet.) sl@0: */ sl@0: #endif