gems-kernel/source/THIRDPARTY/xnu/bsd/sys/syslimits.h
2024-06-03 11:29:39 -05:00

133 lines
6.2 KiB
C

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