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