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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
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/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* POSIX Standard: 2.9.2 Minimum Values Added to <limits.h>
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*/
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#ifndef _POSIX1_LIMITS_H
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#define _POSIX1_LIMITS_H 1
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/* These are the standard-mandated minimum values. */
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/* Maximum length of arguments to `execve', including environment. */
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#define _POSIX_ARG_MAX 4096
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/* Maximum simultaneous processes per real user ID. */
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#define _POSIX_CHILD_MAX 6
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/* Maximum link count of a file. */
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#define _POSIX_LINK_MAX 8
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/* Number of bytes in a terminal canonical input queue. */
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#define _POSIX_MAX_CANON 255
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/* Number of bytes for which space will be
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available in a terminal input queue. */
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#define _POSIX_MAX_INPUT 255
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/* Number of simultaneous supplementary group IDs per process. */
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#define _POSIX_NGROUPS_MAX 0
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/* Number of files one process can have open at once. */
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#define _POSIX_OPEN_MAX 16
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/* Number of bytes in a filename. */
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#define _POSIX_NAME_MAX 14
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/* Number of bytes in a pathname. */
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#define _POSIX_PATH_MAX 255
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/* Number of bytes than can be written atomically to a pipe. */
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#define _POSIX_PIPE_BUF 512
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/* Largest value of a `ssize_t'. */
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#define _POSIX_SSIZE_MAX 32767
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/* Number of streams a process can have open at once. */
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#define _POSIX_STREAM_MAX 8
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/* Maximum length of a timezone name (element of `tzname'). */
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#define _POSIX_TZNAME_MAX 3
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/* Get the implementation-specific values for the above. */
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#include <local_lim.h>
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#ifndef SSIZE_MAX
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#define SSIZE_MAX INT_MAX
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#endif
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/* This value is a guaranteed minimum maximum.
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The current maximum can be got from `sysconf'. */
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#ifndef NGROUPS_MAX
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#define NGROUPS_MAX _POSIX_NGROUPS_MAX
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#endif
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#endif /* posix1_limits.h */
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