133 lines
6.2 KiB
C
133 lines
6.2 KiB
C
/*
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* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/* $NetBSD: syslimits.h,v 1.15 1997/06/25 00:48:09 lukem Exp $ */
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)syslimits.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _SYS_SYSLIMITS_H_
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#define _SYS_SYSLIMITS_H_
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#include <sys/cdefs.h>
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#if !defined(_ANSI_SOURCE)
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/* max bytes for an exec function */
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#ifdef XNU_KERNEL_PRIVATE
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#if defined(XNU_TARGET_OS_OSX)
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#define ARG_MAX (1024 * 1024)
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#else
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#define ARG_MAX (256 * 1024)
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#endif
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#else /* XNU_KERNEL_PRIVATE */
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#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
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#define ARG_MAX (1024 * 1024)
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#else
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#define ARG_MAX (256 * 1024)
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#endif
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#endif /* XNU_KERNEL_PRIVATE */
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/*
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* Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
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* compile time; you *cannot* set it higher than the hard limit!!
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*/
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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#define CHILD_MAX 266 /* max simultaneous processes */
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#define GID_MAX 2147483647U /* max value for a gid_t (2^31-2) */
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#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
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#define LINK_MAX 32767 /* max file link count */
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#define MAX_CANON 1024 /* max bytes in term canon input line */
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#define MAX_INPUT 1024 /* max bytes in terminal input */
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#define NAME_MAX 255 /* max bytes in a file name */
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#define NGROUPS_MAX 16 /* max supplemental group id's */
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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#define UID_MAX 2147483647U /* max value for a uid_t (2^31-2) */
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#define OPEN_MAX 10240 /* max open files per process - todo, make a config option? */
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#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
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#define PATH_MAX 1024 /* max bytes in pathname */
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#define PIPE_BUF 512 /* max bytes for atomic pipe writes */
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#define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */
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#define BC_DIM_MAX 2048 /* max array elements in bc(1) */
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#define BC_SCALE_MAX 99 /* max scale value in bc(1) */
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#define BC_STRING_MAX 1000 /* max const string length in bc(1) */
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#define CHARCLASS_NAME_MAX 14 /* max character class name size */
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#define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */
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#define EQUIV_CLASS_MAX 2
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#define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */
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#define LINE_MAX 2048 /* max bytes in an input line */
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#define RE_DUP_MAX 255 /* max RE's in interval notation */
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#if __DARWIN_UNIX03
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#define NZERO 20 /* default priority [XSI] */
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/* = ((PRIO_MAX - PRIO_MIN) / 2) + 1 */
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/* range: 0 - 39 [(2 * NZERO) - 1] */
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/* 0 is not actually used */
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#else /* !__DARWIN_UNIX03 */
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#define NZERO 0 /* default priority */
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/* range: -20 - 20 */
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/* (PRIO_MIN - PRIO_MAX) */
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#endif /* __DARWIN_UNIX03 */
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#endif /* !_ANSI_SOURCE */
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#endif /* !_SYS_SYSLIMITS_H_ */
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