FreeBSD/Linux Kernel Cross Reference
sys/bsd/sys/syslimits.h

     /*
      * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /*      $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
    
    /*
     * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 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
     */
    
    #ifndef _SYS_SYSLIMITS_H_
    #define _SYS_SYSLIMITS_H_
    
    #if !defined(_ANSI_SOURCE)
    /*
     * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
     * compile time; you *cannot* set it higher than the hard limit!!
     */
    #define ARG_MAX            (256 * 1024) /* max bytes for an exec function */
    #define CHILD_MAX                  100  /* max simultaneous processes */
    #define GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
    #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 */
    #define NGROUPS_MAX                16   /* max supplemental group id's */
    #define UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
    #define OPEN_MAX                10240   /* max open files per process */
    #define PATH_MAX                 1024   /* max bytes in pathname */
    #define PIPE_BUF                  512   /* max bytes for atomic pipe writes */
    
    #define BC_BASE_MAX           INT_MAX   /* max ibase/obase values in bc(1) */
    #define BC_DIM_MAX              65535   /* max array elements in bc(1) */
    #define BC_SCALE_MAX          INT_MAX   /* max scale value in bc(1) */
    #define BC_STRING_MAX         INT_MAX   /* max const string length in bc(1) */
    #define COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
    #define EQUIV_CLASS_MAX             2
    #define EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */
    #define LINE_MAX                 2048   /* max bytes in an input line */
    #define RE_DUP_MAX                255   /* max RE's in interval notation */
    #endif /* !_ANSI_SOURCE */
    
    #endif /* !_SYS_SYSLIMITS_H_ */

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