bsd/sys/syslimits.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*      $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
  23
  24 /*
  25  * Copyright (c) 1988, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by the University of
  39  *      California, Berkeley and its contributors.
  40  * 4. Neither the name of the University nor the names of its contributors
  41  *    may be used to endorse or promote products derived from this software
  42  *    without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  45  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  48  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  *
  56  *      @(#)syslimits.h 8.1 (Berkeley) 6/2/93
  57  */
  58
  59 #ifndef _SYS_SYSLIMITS_H_
  60 #define _SYS_SYSLIMITS_H_
  61
  62 #if !defined(_ANSI_SOURCE)
  63 /*
  64  * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
  65  * compile time; you *cannot* set it higher than the hard limit!!
  66  */
  67 #define ARG_MAX            (256 * 1024) /* max bytes for an exec function */
  68 #define CHILD_MAX                  100  /* max simultaneous processes */
  69 #define GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
  70 #define LINK_MAX                32767   /* max file link count */
  71 #define MAX_CANON                 255   /* max bytes in term canon input line */
  72 #define MAX_INPUT                 255   /* max bytes in terminal input */
  73 #define NAME_MAX                  255   /* max bytes in a file name */
  74 #define NGROUPS_MAX                16   /* max supplemental group id's */
  75 #define UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
  76 #define OPEN_MAX                10240   /* max open files per process */
  77 #define PATH_MAX                 1024   /* max bytes in pathname */
  78 #define PIPE_BUF                  512   /* max bytes for atomic pipe writes */
  79
  80 #define BC_BASE_MAX                99   /* max ibase/obase values in bc(1) */
  81 #define BC_DIM_MAX               2048   /* max array elements in bc(1) */
  82 #define BC_SCALE_MAX               99   /* max scale value in bc(1) */
  83 #define BC_STRING_MAX            1000   /* max const string length in bc(1) */
  84 #define COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
  85 #define EQUIV_CLASS_MAX             2
  86 #define EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */
  87 #define LINE_MAX                 2048   /* max bytes in an input line */
  88 #define RE_DUP_MAX                255   /* max RE's in interval notation */
  89 #endif /* !_ANSI_SOURCE */
  90
  91 #endif /* !_SYS_SYSLIMITS_H_ */