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limits.h revision 1.36
      1 /*	$NetBSD: limits.h,v 1.36 2016/03/08 05:02:55 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)limits.h	8.2 (Berkeley) 1/4/94
     32  */
     33 
     34 #ifndef _LIMITS_H_
     35 #define	_LIMITS_H_
     36 
     37 #include <sys/featuretest.h>
     38 
     39 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \
     40     defined(_NETBSD_SOURCE)
     41 #define	_POSIX_AIO_LISTIO_MAX	2
     42 #define	_POSIX_AIO_MAX		1
     43 #define	_POSIX_ARG_MAX		4096
     44 #define	_POSIX_CHILD_MAX	25
     45 #define	_POSIX_HOST_NAME_MAX	255
     46 #define	_POSIX_LINK_MAX		8
     47 #define	_POSIX_LOGIN_NAME_MAX	9
     48 #define	_POSIX_MAX_CANON	255
     49 #define	_POSIX_MAX_INPUT	255
     50 #define	_POSIX_MQ_OPEN_MAX	8
     51 #define	_POSIX_MQ_PRIO_MAX	32
     52 #define	_POSIX_NAME_MAX		14
     53 #define	_POSIX_NGROUPS_MAX	8
     54 #define	_POSIX_OPEN_MAX		20
     55 #define	_POSIX_PATH_MAX		256
     56 #define	_POSIX_PIPE_BUF		512
     57 #define	_POSIX_RE_DUP_MAX	255
     58 #define	_POSIX_SSIZE_MAX	32767
     59 #define	_POSIX_STREAM_MAX	8
     60 #define	_POSIX_SYMLINK_MAX	255
     61 #define	_POSIX_SYMLOOP_MAX	8
     62 
     63 /*
     64  * We have not implemented these yet
     65  *
     66  * _POSIX_THREAD_ATTR_STACKADDR
     67  * _POSIX_THREAD_ATTR_STACKSIZE
     68  * _POSIX_THREAD_CPUTIME
     69  * _POSIX_THREAD_PRIORITY_SCHEDULING
     70  * _POSIX_THREAD_PRIO_INHERIT
     71  * _POSIX_THREAD_PRIO_PROTECT
     72  * _POSIX_THREAD_PROCESS_SHARED
     73  * _POSIX_THREAD_SAFE_FUNCTIONS
     74  * _POSIX_THREAD_SPORADIC_SERVER
     75  */
     76 
     77 /*
     78  * The following 3 are defined in
     79  * Open Group Base Specifications Issue 7
     80  */
     81 #define	_POSIX_THREAD_DESTRUCTOR_ITERATIONS	4
     82 #define	_POSIX_THREAD_KEYS_MAX			128
     83 #define	_POSIX_THREAD_THREADS_MAX		64
     84 
     85 /*
     86  * These are the correct names, defined in terms of the above
     87  * except for PTHREAD_KEYS_MAX which is bigger than standard
     88  * mandated minimum value _POSIX_THREAD_KEYS_MAX.
     89  */
     90 #define	PTHREAD_DESTRUCTOR_ITERATIONS 	_POSIX_THREAD_DESTRUCTOR_ITERATIONS
     91 #define	PTHREAD_KEYS_MAX		256
     92 /* Not yet: PTHREAD_STACK_MIN */
     93 #define	PTHREAD_THREADS_MAX		_POSIX_THREAD_THREADS_MAX
     94 
     95 #define	_POSIX_TIMER_MAX	32
     96 #define	_POSIX_TTY_NAME_MAX	9
     97 #define	_POSIX_TZNAME_MAX	6
     98 
     99 #define	_POSIX2_BC_BASE_MAX	99
    100 #define	_POSIX2_BC_DIM_MAX	2048
    101 #define	_POSIX2_BC_SCALE_MAX	99
    102 #define	_POSIX2_BC_STRING_MAX	1000
    103 #define	_POSIX2_CHARCLASS_NAME_MAX	14
    104 #define	_POSIX2_COLL_WEIGHTS_MAX	2
    105 #define	_POSIX2_EXPR_NEST_MAX	32
    106 #define	_POSIX2_LINE_MAX	2048
    107 #define	_POSIX2_RE_DUP_MAX	255
    108 
    109 /*
    110  * X/Open CAE Specifications,
    111  * adopted in IEEE Std 1003.1-2001 XSI.
    112  */
    113 #if (_POSIX_C_SOURCE - 0) >= 200112L || defined(_XOPEN_SOURCE) || \
    114     defined(_NETBSD_SOURCE)
    115 #define	_XOPEN_IOV_MAX		16
    116 #define	_XOPEN_NAME_MAX		256
    117 #define	_XOPEN_PATH_MAX		1024
    118 
    119 #define PASS_MAX		128		/* Legacy */
    120 
    121 #define CHARCLASS_NAME_MAX	14
    122 #define NL_ARGMAX		9
    123 #define NL_LANGMAX		14
    124 #define NL_MSGMAX		32767
    125 #define NL_NMAX			1
    126 #define NL_SETMAX		255
    127 #define NL_TEXTMAX		2048
    128 
    129 	/* IEEE Std 1003.1-2001 TSF */
    130 #define	_GETGR_R_SIZE_MAX	1024
    131 #define	_GETPW_R_SIZE_MAX	1024
    132 
    133 /* Always ensure that this is consistent with <stdio.h> */
    134 #ifndef TMP_MAX
    135 #define TMP_MAX			308915776	/* Legacy */
    136 #endif
    137 #endif /* _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE || _NETBSD_SOURCE */
    138 
    139 #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE */
    140 
    141 #define MB_LEN_MAX		32	/* Allow ISO/IEC 2022 */
    142 
    143 /*
    144  * X/Open Extended API set 2 (a.k.a. C063)
    145  * This hides unimplemented functions from GNU configure until
    146  * we are done implementing them.
    147  */
    148 #if !defined(_INCOMPLETE_XOPEN_C063)
    149 #define __stub_fexecve
    150 #endif
    151 
    152 #include <machine/limits.h>
    153 
    154 #ifdef __CHAR_UNSIGNED__
    155 # define CHAR_MIN     0
    156 # define CHAR_MAX     UCHAR_MAX
    157 #else
    158 # define CHAR_MIN     SCHAR_MIN
    159 # define CHAR_MAX     SCHAR_MAX
    160 #endif
    161 
    162 #include <sys/syslimits.h>
    163 
    164 #endif /* !_LIMITS_H_ */
    165