104 lines
4.3 KiB
C
104 lines
4.3 KiB
C
/* $NetBSD: syslimits.h,v 1.26 2011/09/27 01:51:42 christos 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. 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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#if defined(__minix)
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#define __MINIX_OPEN_MAX 255 /* a process may have 255 files open */
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#define __MINIX_PATH_MAX 1024/* a pathname may contain 1023 chars (+ '\0')*/
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#if defined(_STANDALONE)
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/* LSC: In NetBSD this gets pulled in through libkern.h */
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#include <sys/null.h>
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uint32_t crc32(uint32_t, const uint8_t *, size_t);
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#endif /* defined(_STANDALONE) */
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#endif /* defined(__minix) */
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#include <sys/featuretest.h>
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#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
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defined(_NETBSD_SOURCE)
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#define ARG_MAX (256 * 1024) /* max bytes for an exec function */
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#ifndef CHILD_MAX
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#define CHILD_MAX 160 /* max simultaneous processes */
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#endif
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#define GID_MAX USHRT_MAX /* max value for a gid_t (2^31-2) */
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#define LINK_MAX 32767 /* max file link count */
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#define MAX_CANON 255 /* max bytes in term canon input line */
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#define MAX_INPUT 255 /* max bytes in terminal input */
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#define NAME_MAX 255 /* max bytes in a file name, must be */
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/* kept in sync with MAXPATHLEN */
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#define NGROUPS_MAX 8 /* max supplemental group id's */
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#define UID_MAX USHRT_MAX /* max value for a uid_t */
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#ifndef OPEN_MAX
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#define OPEN_MAX __MINIX_OPEN_MAX /* max open files per process */
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#endif
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#define PATH_MAX __MINIX_PATH_MAX /* max bytes in pathname */
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#define PIPE_BUF 32768 /* max bytes for atomic pipe writes */
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#define BC_BASE_MAX INT_MAX /* max ibase/obase values in bc(1) */
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#define BC_DIM_MAX 65535 /* max array elements in bc(1) */
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#define BC_SCALE_MAX INT_MAX /* max scale value in bc(1) */
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#define BC_STRING_MAX INT_MAX /* max const string length in bc(1) */
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#define COLL_WEIGHTS_MAX 2 /* max weights for order keyword */
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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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/*
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* IEEE Std 1003.1c-95, adopted in X/Open CAE Specification Issue 5 Version 2
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*/
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#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
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defined(_NETBSD_SOURCE)
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#define LOGIN_NAME_MAX 17 /* max login name length incl. NUL */
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#endif
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/*
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* X/Open CAE Specification Issue 5 Version 2
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*/
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#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
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#define IOV_MAX 1024 /* max # of iovec's for readv(2) etc. */
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#define NZERO 20 /* default "nice" */
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#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE */
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#endif /* !_ANSI_SOURCE */
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#ifdef __minix
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#define STREAM_MAX 8 /* == _POSIX_STREAM_MAX */
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#define TZNAME_MAX 6 /* == _POSIX_TZNAME_MAX */
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#define TIME_MAX LONG_MAX
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#endif
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#endif /* !_SYS_SYSLIMITS_H_ */
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