bsd/sys/syslimits.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*      $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
  29
  30 /*
  31  * Copyright (c) 1988, 1993
  32  *      The Regents of the University of California.  All rights reserved.
  33  *
  34  * Redistribution and use in source and binary forms, with or without
  35  * modification, are permitted provided that the following conditions
  36  * are met:
  37  * 1. Redistributions of source code must retain the above copyright
  38  *    notice, this list of conditions and the following disclaimer.
  39  * 2. Redistributions in binary form must reproduce the above copyright
  40  *    notice, this list of conditions and the following disclaimer in the
  41  *    documentation and/or other materials provided with the distribution.
  42  * 3. All advertising materials mentioning features or use of this software
  43  *    must display the following acknowledgement:
  44  *      This product includes software developed by the University of
  45  *      California, Berkeley and its contributors.
  46  * 4. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  *
  62  *      @(#)syslimits.h 8.1 (Berkeley) 6/2/93
  63  */
  64
  65 #ifndef _SYS_SYSLIMITS_H_
  66 #define _SYS_SYSLIMITS_H_
  67
  68 #if !defined(_ANSI_SOURCE)
  69 /*
  70  * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
  71  * compile time; you *cannot* set it higher than the hard limit!!
  72  */
  73 #define ARG_MAX            (256 * 1024) /* max bytes for an exec function */
  74 #define CHILD_MAX                  266  /* max simultaneous processes */
  75 #define GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
  76 #define LINK_MAX                32767   /* max file link count */
  77 #define MAX_CANON                 255   /* max bytes in term canon input line */
  78 #define MAX_INPUT                 255   /* max bytes in terminal input */
  79 #define NAME_MAX                  255   /* max bytes in a file name */
  80 #define NGROUPS_MAX                16   /* max supplemental group id's */
  81 #define UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
  82 #define OPEN_MAX                10240   /* max open files per process */
  83 #define PATH_MAX                 1024   /* max bytes in pathname */
  84 #define PIPE_BUF                  512   /* max bytes for atomic pipe writes */
  85
  86 #define BC_BASE_MAX                99   /* max ibase/obase values in bc(1) */
  87 #define BC_DIM_MAX               2048   /* max array elements in bc(1) */
  88 #define BC_SCALE_MAX               99   /* max scale value in bc(1) */
  89 #define BC_STRING_MAX            1000   /* max const string length in bc(1) */
  90 #define COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
  91 #define EQUIV_CLASS_MAX             2
  92 #define EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */
  93 #define LINE_MAX                 2048   /* max bytes in an input line */
  94 #define RE_DUP_MAX                255   /* max RE's in interval notation */
  95 #endif /* !_ANSI_SOURCE */
  96
  97 #endif /* !_SYS_SYSLIMITS_H_ */