bsd/sys/syslimits.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*      $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $     */
  31
  32 /*
  33  * Copyright (c) 1988, 1993
  34  *      The Regents of the University of California.  All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed by the University of
  47  *      California, Berkeley and its contributors.
  48  * 4. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)syslimits.h 8.1 (Berkeley) 6/2/93
  65  */
  66
  67 #ifndef _SYS_SYSLIMITS_H_
  68 #define _SYS_SYSLIMITS_H_
  69
  70 #if !defined(_ANSI_SOURCE)
  71 /*
  72  * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
  73  * compile time; you *cannot* set it higher than the hard limit!!
  74  */
  75 #define ARG_MAX            (256 * 1024) /* max bytes for an exec function */
  76 #define CHILD_MAX                  100  /* max simultaneous processes */
  77 #define GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
  78 #define LINK_MAX                32767   /* max file link count */
  79 #define MAX_CANON                 255   /* max bytes in term canon input line */
  80 #define MAX_INPUT                 255   /* max bytes in terminal input */
  81 #define NAME_MAX                  255   /* max bytes in a file name */
  82 #define NGROUPS_MAX                16   /* max supplemental group id's */
  83 #define UID_MAX            2147483647U  /* max value for a uid_t (2^31-2) */
  84 #define OPEN_MAX                10240   /* max open files per process */
  85 #define PATH_MAX                 1024   /* max bytes in pathname */
  86 #define PIPE_BUF                  512   /* max bytes for atomic pipe writes */
  87
  88 #define BC_BASE_MAX                99   /* max ibase/obase values in bc(1) */
  89 #define BC_DIM_MAX               2048   /* max array elements in bc(1) */
  90 #define BC_SCALE_MAX               99   /* max scale value in bc(1) */
  91 #define BC_STRING_MAX            1000   /* max const string length in bc(1) */
  92 #define COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
  93 #define EQUIV_CLASS_MAX             2
  94 #define EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */
  95 #define LINE_MAX                 2048   /* max bytes in an input line */
  96 #define RE_DUP_MAX                255   /* max RE's in interval notation */
  97 #endif /* !_ANSI_SOURCE */
  98
  99 #endif /* !_SYS_SYSLIMITS_H_ */