1951a39d68df598db08dfced8b4707755864a0492Ying Wang/* $OpenBSD: limits.h,v 1.6 2005/12/13 00:35:23 millert Exp $ */ 2951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 3951a39d68df598db08dfced8b4707755864a0492Ying Wang * Copyright (c) 2002 Marc Espie. 4951a39d68df598db08dfced8b4707755864a0492Ying Wang * 5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without 6951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions 7951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met: 8951a39d68df598db08dfced8b4707755864a0492Ying Wang * 1. Redistributions of source code must retain the above copyright 9951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer. 10951a39d68df598db08dfced8b4707755864a0492Ying Wang * 2. Redistributions in binary form must reproduce the above copyright 11951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer in the 12951a39d68df598db08dfced8b4707755864a0492Ying Wang * documentation and/or other materials provided with the distribution. 13951a39d68df598db08dfced8b4707755864a0492Ying Wang * 14951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS 15951a39d68df598db08dfced8b4707755864a0492Ying Wang * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17951a39d68df598db08dfced8b4707755864a0492Ying Wang * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD 18951a39d68df598db08dfced8b4707755864a0492Ying Wang * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19951a39d68df598db08dfced8b4707755864a0492Ying Wang * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21951a39d68df598db08dfced8b4707755864a0492Ying Wang * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22951a39d68df598db08dfced8b4707755864a0492Ying Wang * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23951a39d68df598db08dfced8b4707755864a0492Ying Wang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 26951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _SYS_LIMITS_H_ 27951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _SYS_LIMITS_H_ 28951a39d68df598db08dfced8b4707755864a0492Ying Wang 29951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/cdefs.h> 30951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/limits.h> 31951a39d68df598db08dfced8b4707755864a0492Ying Wang 32951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Common definitions for limits.h. */ 33951a39d68df598db08dfced8b4707755864a0492Ying Wang 34951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 35951a39d68df598db08dfced8b4707755864a0492Ying Wang * <machine/internal_types.h> is meant to describe a specific architecture, 36951a39d68df598db08dfced8b4707755864a0492Ying Wang * but to be a safe include, that doesn't ever define anything that is 37951a39d68df598db08dfced8b4707755864a0492Ying Wang * user-visible (only typedefs and #define names that stays in the __xxx 38951a39d68df598db08dfced8b4707755864a0492Ying Wang * namespace). 39951a39d68df598db08dfced8b4707755864a0492Ying Wang * 40951a39d68df598db08dfced8b4707755864a0492Ying Wang * __machine_has_unsigned_chars (default is signed chars) 41951a39d68df598db08dfced8b4707755864a0492Ying Wang * __FLT_xxx/__DBL_xxx non standard values for floating 42951a39d68df598db08dfced8b4707755864a0492Ying Wang * points limits. 43951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 44951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <machine/internal_types.h> 45951a39d68df598db08dfced8b4707755864a0492Ying Wang 46951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Legacy */ 47951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <machine/limits.h> 48951a39d68df598db08dfced8b4707755864a0492Ying Wang 49951a39d68df598db08dfced8b4707755864a0492Ying Wang#define CHAR_BIT 8 /* number of bits in a char */ 50951a39d68df598db08dfced8b4707755864a0492Ying Wang 51951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SCHAR_MAX 0x7f /* max value for a signed char */ 52951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */ 53951a39d68df598db08dfced8b4707755864a0492Ying Wang 54951a39d68df598db08dfced8b4707755864a0492Ying Wang#define UCHAR_MAX 0xffU /* max value for an unsigned char */ 55951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef __machine_has_unsigned_chars 56951a39d68df598db08dfced8b4707755864a0492Ying Wang# define CHAR_MIN 0 /* min value for a char */ 57951a39d68df598db08dfced8b4707755864a0492Ying Wang# define CHAR_MAX 0xff /* max value for a char */ 58951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 59951a39d68df598db08dfced8b4707755864a0492Ying Wang# define CHAR_MAX 0x7f 60951a39d68df598db08dfced8b4707755864a0492Ying Wang# define CHAR_MIN (-0x7f-1) 61951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 62951a39d68df598db08dfced8b4707755864a0492Ying Wang 63951a39d68df598db08dfced8b4707755864a0492Ying Wang#define USHRT_MAX 0xffffU /* max value for an unsigned short */ 64951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHRT_MAX 0x7fff /* max value for a short */ 65951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHRT_MIN (-0x7fff-1) /* min value for a short */ 66951a39d68df598db08dfced8b4707755864a0492Ying Wang 67951a39d68df598db08dfced8b4707755864a0492Ying Wang#define UINT_MAX 0xffffffffU /* max value for an unsigned int */ 68951a39d68df598db08dfced8b4707755864a0492Ying Wang#define INT_MAX 0x7fffffff /* max value for an int */ 69951a39d68df598db08dfced8b4707755864a0492Ying Wang#define INT_MIN (-0x7fffffff-1) /* min value for an int */ 70951a39d68df598db08dfced8b4707755864a0492Ying Wang 71951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef __LP64__ 72951a39d68df598db08dfced8b4707755864a0492Ying Wang# define ULONG_MAX 0xffffffffffffffffUL 73951a39d68df598db08dfced8b4707755864a0492Ying Wang /* max value for unsigned long */ 74951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_MAX 0x7fffffffffffffffL 75951a39d68df598db08dfced8b4707755864a0492Ying Wang /* max value for a signed long */ 76951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_MIN (-0x7fffffffffffffffL-1) 77951a39d68df598db08dfced8b4707755864a0492Ying Wang /* min value for a signed long */ 78951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 79951a39d68df598db08dfced8b4707755864a0492Ying Wang# define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */ 80951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_MAX 0x7fffffffL /* max value for a long */ 81951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_MIN (-0x7fffffffL-1)/* min value for a long */ 82951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 83951a39d68df598db08dfced8b4707755864a0492Ying Wang 84951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 85951a39d68df598db08dfced8b4707755864a0492Ying Wang# define ULLONG_MAX 0xffffffffffffffffULL 86951a39d68df598db08dfced8b4707755864a0492Ying Wang /* max value for unsigned long long */ 87951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LLONG_MAX 0x7fffffffffffffffLL 88951a39d68df598db08dfced8b4707755864a0492Ying Wang /* max value for a signed long long */ 89951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LLONG_MIN (-0x7fffffffffffffffLL-1) 90951a39d68df598db08dfced8b4707755864a0492Ying Wang /* min value for a signed long long */ 91951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 92951a39d68df598db08dfced8b4707755864a0492Ying Wang 93951a39d68df598db08dfced8b4707755864a0492Ying Wang#if __BSD_VISIBLE 94951a39d68df598db08dfced8b4707755864a0492Ying Wang# define UID_MAX UINT_MAX /* max value for a uid_t */ 95951a39d68df598db08dfced8b4707755864a0492Ying Wang# define GID_MAX UINT_MAX /* max value for a gid_t */ 96951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 97951a39d68df598db08dfced8b4707755864a0492Ying Wang 98951a39d68df598db08dfced8b4707755864a0492Ying Wang 99951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef __LP64__ 100951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_BIT 64 101951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 102951a39d68df598db08dfced8b4707755864a0492Ying Wang# define LONG_BIT 32 103951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 104951a39d68df598db08dfced8b4707755864a0492Ying Wang 105951a39d68df598db08dfced8b4707755864a0492Ying Wang/* float.h defines these as well */ 106951a39d68df598db08dfced8b4707755864a0492Ying Wang# if !defined(DBL_DIG) 107951a39d68df598db08dfced8b4707755864a0492Ying Wang# if defined(__DBL_DIG) 108951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_DIG __DBL_DIG 109951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_MAX __DBL_MAX 110951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_MIN __DBL_MIN 111951a39d68df598db08dfced8b4707755864a0492Ying Wang 112951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_DIG __FLT_DIG 113951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_MAX __FLT_MAX 114951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_MIN __FLT_MIN 115951a39d68df598db08dfced8b4707755864a0492Ying Wang# else 116951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_DIG 15 117951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_MAX 1.7976931348623157E+308 118951a39d68df598db08dfced8b4707755864a0492Ying Wang# define DBL_MIN 2.2250738585072014E-308 119951a39d68df598db08dfced8b4707755864a0492Ying Wang 120951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_DIG 6 121951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_MAX 3.40282347E+38F 122951a39d68df598db08dfced8b4707755864a0492Ying Wang# define FLT_MIN 1.17549435E-38F 123951a39d68df598db08dfced8b4707755864a0492Ying Wang# endif 124951a39d68df598db08dfced8b4707755864a0492Ying Wang# endif 125951a39d68df598db08dfced8b4707755864a0492Ying Wang 126951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Bionic: the following has been optimized out from our processed kernel headers */ 127951a39d68df598db08dfced8b4707755864a0492Ying Wang 128951a39d68df598db08dfced8b4707755864a0492Ying Wang#define CHILD_MAX 999 129951a39d68df598db08dfced8b4707755864a0492Ying Wang#define OPEN_MAX 256 130951a39d68df598db08dfced8b4707755864a0492Ying Wang 131951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Bionic-specific definitions */ 132951a39d68df598db08dfced8b4707755864a0492Ying Wang 133951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_VERSION 200112L /* Posix C language bindings version */ 134951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX2_VERSION -1 /* we don't support Posix command-line tools */ 135951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX2_C_VERSION _POSIX_VERSION 136951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_VERSION 500 /* by Posix definition */ 137951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_XCU_VERSION -1 /* we don't support command-line utilities */ 138951a39d68df598db08dfced8b4707755864a0492Ying Wang 139951a39d68df598db08dfced8b4707755864a0492Ying Wang/* tell what we implement legacy stuff when appropriate */ 140951a39d68df598db08dfced8b4707755864a0492Ying Wang#if _POSIX_VERSION > 0 141951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_XPG2 1 142951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_XPG3 1 143951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_XPG4 1 144951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_UNIX 1 145951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 146951a39d68df598db08dfced8b4707755864a0492Ying Wang 147951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_ENH_I18N -1 /* we don't support internationalization in the C library */ 148951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_CRYPT -1 /* don't support X/Open Encryption */ 149951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_LEGACY -1 /* don't claim we support these, we have some of them but not all */ 150951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_REALTIME -1 /* we don't support all these functions */ 151951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _XOPEN_REALTIME_THREADS -1 /* same here */ 152951a39d68df598db08dfced8b4707755864a0492Ying Wang 153951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_REALTIME_SIGNALS -1 /* for now, this is not supported */ 154951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_PRIORITY_SCHEDULING 1 /* priority scheduling is a Linux feature */ 155951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_TIMERS 1 /* Posix timers are supported */ 156951a39d68df598db08dfced8b4707755864a0492Ying Wang#undef _POSIX_ASYNCHRONOUS_IO /* aio_ functions are not supported */ 157951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_SYNCHRONIZED_IO 1 /* synchronized i/o supported */ 158951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_FSYNC 1 /* fdatasync() supported */ 159951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_MAPPED_FILES 1 /* mmap-ed files supported */ 160951a39d68df598db08dfced8b4707755864a0492Ying Wang 161951a39d68df598db08dfced8b4707755864a0492Ying Wang/* XXX: TODO: complete and check list here */ 162951a39d68df598db08dfced8b4707755864a0492Ying Wang 163951a39d68df598db08dfced8b4707755864a0492Ying Wang 164951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_THREADS 1 /* we support threads */ 165951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_THREAD_STACKADDR 1 /* we support thread stack address */ 166951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_THREAD_STACKSIZE 1 /* we support thread stack size */ 167951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_THREAD_PRIO_INHERIT 200112L /* linux feature */ 168951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_THREAD_PRIO_PROTECT 200112L /* linux feature */ 169951a39d68df598db08dfced8b4707755864a0492Ying Wang 170951a39d68df598db08dfced8b4707755864a0492Ying Wang#undef _POSIX_PROCESS_SHARED /* we don't support process-shared synchronization */ 171951a39d68df598db08dfced8b4707755864a0492Ying Wang#undef _POSIX_THREAD_SAFE_FUNCTIONS /* most functions are, but not everything yet */ 172951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_CHOWN_RESTRICTED 1 /* yes, chown requires appropriate priviledges */ 173951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_NO_TRUNC 1 /* very long pathnames generate an error */ 174951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_SAVED_IDS 1 /* saved user ids is a Linux feature */ 175951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */ 176951a39d68df598db08dfced8b4707755864a0492Ying Wang 177951a39d68df598db08dfced8b4707755864a0492Ying Wang 178951a39d68df598db08dfced8b4707755864a0492Ying Wang 179951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 180