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syslimits.h
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syslimits.h
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/* $NetBSD: syslimits.h,v 1.17 1998/08/03 14:27:50 kleink 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/featuretest.h>
#if !defined(_ANSI_SOURCE)
#define ARG_MAX (256 * 1024) /* max bytes for an exec function */
#define CHILD_MAX 80 /* max simultaneous processes */
#define GID_MAX 2147483647U /* max value for a gid_t (2^31-2) */
#define LINK_MAX 32767 /* max file link count */
#define MAX_CANON 255 /* max bytes in term canon input line */
#define MAX_INPUT 255 /* max bytes in terminal input */
#define NAME_MAX 255 /* max bytes in a file name */
#define NGROUPS_MAX 16 /* max supplemental group id's */
#define UID_MAX 2147483647U /* max value for a uid_t (2^31-2) */
#define OPEN_MAX 64 /* max open files per process */
#define PATH_MAX 1024 /* max bytes in pathname */
#define PIPE_BUF 512 /* max bytes for atomic pipe writes */
#define BC_BASE_MAX INT_MAX /* max ibase/obase values in bc(1) */
#define BC_DIM_MAX 65535 /* max array elements in bc(1) */
#define BC_SCALE_MAX INT_MAX /* max scale value in bc(1) */
#define BC_STRING_MAX INT_MAX /* max const string length in bc(1) */
#define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */
#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 !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
#define IOV_MAX 1024 /* max # of iovec's for readv(2) etc. */
#define NZERO 20 /* default "nice" */
#endif /* !_POSIX_C_SOURCE || _XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE */
#endif /* !_SYS_SYSLIMITS_H_ */