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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: #include <sys/cdefs.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: #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 77: #define CHILD_MAX 266 /* max simultaneous processes */ 78: #define GID_MAX 2147483647U /* max value for a gid_t (2^31-2) */ 79: #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 80: #define LINK_MAX 32767 /* max file link count */ 81: #define MAX_CANON 1024 /* max bytes in term canon input line */ 82: #define MAX_INPUT 1024 /* max bytes in terminal input */ 83: #define NAME_MAX 255 /* max bytes in a file name */ 84: #define NGROUPS_MAX 16 /* max supplemental group id's */ 85: #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 86: #define UID_MAX 2147483647U /* max value for a uid_t (2^31-2) */ 87: 88: #define OPEN_MAX 10240 /* max open files per process - todo, make a config option? */ 89: 90: #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 91: #define PATH_MAX 1024 /* max bytes in pathname */ 92: #define PIPE_BUF 512 /* max bytes for atomic pipe writes */ 93: 94: #define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */ 95: #define BC_DIM_MAX 2048 /* max array elements in bc(1) */ 96: #define BC_SCALE_MAX 99 /* max scale value in bc(1) */ 97: #define BC_STRING_MAX 1000 /* max const string length in bc(1) */ 98: #define CHARCLASS_NAME_MAX 14 /* max character class name size */ 99: #define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */ 100: #define EQUIV_CLASS_MAX 2 101: #define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */ 102: #define LINE_MAX 2048 /* max bytes in an input line */ 103: #define RE_DUP_MAX 255 /* max RE's in interval notation */ 104: 105: #if __DARWIN_UNIX03 106: #define NZERO 20 /* default priority [XSI] */ 107: /* = ((PRIO_MAX - PRIO_MIN) / 2) + 1 */ 108: /* range: 0 - 39 [(2 * NZERO) - 1] */ 109: /* 0 is not actually used */ 110: #else /* !__DARWIN_UNIX03 */ 111: #define NZERO 0 /* default priority */ 112: /* range: -20 - 20 */ 113: /* (PRIO_MIN - PRIO_MAX) */ 114: #endif /* __DARWIN_UNIX03 */ 115: #endif /* !_ANSI_SOURCE */ 116: 117: #endif /* !_SYS_SYSLIMITS_H_ */ 118: