ndk/platforms/android-17/arch-x86/usr/include/sys/limits.h

   1 /* $OpenBSD: limits.h,v 1.6 2005/12/13 00:35:23 millert Exp $ */
   2 /*
   3  * Copyright (c) 2002 Marc Espie.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
  15  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  16  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  17  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
  18  * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  19  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  20  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26 #ifndef _SYS_LIMITS_H_
  27 #define _SYS_LIMITS_H_
  28
  29 #include <sys/cdefs.h>
  30 #include <linux/limits.h>
  31
  32 /* Common definitions for limits.h. */
  33
  34 /*
  35  * <machine/internal_types.h> is meant to describe a specific architecture,
  36  * but to be a safe include, that doesn't ever define anything that is
  37  * user-visible (only typedefs and #define names that stays in the __xxx
  38  * namespace).
  39  *
  40  *   __machine_has_unsigned_chars       (default is signed chars)
  41  *   __FLT_xxx/__DBL_xxx                non standard values for floating
  42  *                                      points limits.
  43  */
  44 #include <machine/internal_types.h>
  45
  46 /* Legacy */
  47 #include <machine/limits.h>
  48
  49 #define CHAR_BIT        8               /* number of bits in a char */
  50
  51 #define SCHAR_MAX       0x7f            /* max value for a signed char */
  52 #define SCHAR_MIN       (-0x7f-1)       /* min value for a signed char */
  53
  54 #define UCHAR_MAX       0xffU           /* max value for an unsigned char */
  55 #ifdef __machine_has_unsigned_chars
  56 # define CHAR_MIN       0               /* min value for a char */
  57 # define CHAR_MAX       0xff            /* max value for a char */
  58 #else
  59 # define CHAR_MAX       0x7f
  60 # define CHAR_MIN       (-0x7f-1)
  61 #endif
  62
  63 #define USHRT_MAX       0xffffU         /* max value for an unsigned short */
  64 #define SHRT_MAX        0x7fff          /* max value for a short */
  65 #define SHRT_MIN        (-0x7fff-1)     /* min value for a short */
  66
  67 #define UINT_MAX        0xffffffffU     /* max value for an unsigned int */
  68 #define INT_MAX         0x7fffffff      /* max value for an int */
  69 #define INT_MIN         (-0x7fffffff-1) /* min value for an int */
  70
  71 #ifdef __LP64__
  72 # define ULONG_MAX      0xffffffffffffffffUL
  73                                         /* max value for unsigned long */
  74 # define LONG_MAX       0x7fffffffffffffffL
  75                                         /* max value for a signed long */
  76 # define LONG_MIN       (-0x7fffffffffffffffL-1)
  77                                         /* min value for a signed long */
  78 #else
  79 # define ULONG_MAX      0xffffffffUL    /* max value for an unsigned long */
  80 # define LONG_MAX       0x7fffffffL     /* max value for a long */
  81 # define LONG_MIN       (-0x7fffffffL-1)/* min value for a long */
  82 #endif
  83
  84 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
  85 # define ULLONG_MAX     0xffffffffffffffffULL
  86                                         /* max value for unsigned long long */
  87 # define LLONG_MAX      0x7fffffffffffffffLL
  88                                         /* max value for a signed long long */
  89 # define LLONG_MIN      (-0x7fffffffffffffffLL-1)
  90                                         /* min value for a signed long long */
  91 #endif
  92
  93 #if __BSD_VISIBLE
  94 # define UID_MAX        UINT_MAX        /* max value for a uid_t */
  95 # define GID_MAX        UINT_MAX        /* max value for a gid_t */
  96 #endif
  97
  98
  99 #ifdef __LP64__
 100 # define LONG_BIT       64
 101 #else
 102 # define LONG_BIT       32
 103 #endif
 104
 105 /* float.h defines these as well */
 106 # if !defined(DBL_DIG)
 107 #  if defined(__DBL_DIG)
 108 #   define DBL_DIG      __DBL_DIG
 109 #   define DBL_MAX      __DBL_MAX
 110 #   define DBL_MIN      __DBL_MIN
 111
 112 #   define FLT_DIG      __FLT_DIG
 113 #   define FLT_MAX      __FLT_MAX
 114 #   define FLT_MIN      __FLT_MIN
 115 #  else
 116 #   define DBL_DIG      15
 117 #   define DBL_MAX      1.7976931348623157E+308
 118 #   define DBL_MIN      2.2250738585072014E-308
 119
 120 #   define FLT_DIG      6
 121 #   define FLT_MAX      3.40282347E+38F
 122 #   define FLT_MIN      1.17549435E-38F
 123 #  endif
 124 # endif
 125
 126 /* Bionic: the following has been optimized out from our processed kernel headers */
 127
 128 #define  CHILD_MAX   999
 129 #define  OPEN_MAX    256
 130
 131 /* Bionic-specific definitions */
 132
 133 #define  _POSIX_VERSION             200112L   /* Posix C language bindings version */
 134 #define  _POSIX2_VERSION            -1        /* we don't support Posix command-line tools */
 135 #define  _POSIX2_C_VERSION          _POSIX_VERSION
 136 #define  _XOPEN_VERSION             500       /* by Posix definition */
 137 #define  _XOPEN_XCU_VERSION         -1        /* we don't support command-line utilities */
 138
 139 /* tell what we implement legacy stuff when appropriate */
 140 #if _POSIX_VERSION > 0
 141 #define  _XOPEN_XPG2                1
 142 #define  _XOPEN_XPG3                1
 143 #define  _XOPEN_XPG4                1
 144 #define  _XOPEN_UNIX                1
 145 #endif
 146
 147 #define  _XOPEN_ENH_I18N          -1  /* we don't support internationalization in the C library */
 148 #define  _XOPEN_CRYPT             -1  /* don't support X/Open Encryption */
 149 #define  _XOPEN_LEGACY            -1  /* don't claim we support these, we have some of them but not all */
 150 #define  _XOPEN_REALTIME          -1 /* we don't support all these functions */
 151 #define  _XOPEN_REALTIME_THREADS  -1  /* same here */
 152
 153 #define  _POSIX_REALTIME_SIGNALS    -1  /* for now, this is not supported */
 154 #define  _POSIX_PRIORITY_SCHEDULING  1  /* priority scheduling is a Linux feature */
 155 #define  _POSIX_TIMERS               1  /* Posix timers are supported */
 156 #undef   _POSIX_ASYNCHRONOUS_IO         /* aio_ functions are not supported */
 157 #define  _POSIX_SYNCHRONIZED_IO      1  /* synchronized i/o supported */
 158 #define  _POSIX_FSYNC                1  /* fdatasync() supported */
 159 #define  _POSIX_MAPPED_FILES         1  /* mmap-ed files supported */
 160
 161 /* XXX: TODO: complete and check list here */
 162
 163
 164 #define  _POSIX_THREADS             1    /* we support threads */
 165 #define  _POSIX_THREAD_STACKADDR    1    /* we support thread stack address */
 166 #define  _POSIX_THREAD_STACKSIZE    1    /* we support thread stack size */
 167 #define  _POSIX_THREAD_PRIO_INHERIT 200112L   /* linux feature */
 168 #define  _POSIX_THREAD_PRIO_PROTECT 200112L   /* linux feature */
 169
 170 #undef   _POSIX_PROCESS_SHARED           /* we don't support process-shared synchronization */
 171 #undef   _POSIX_THREAD_SAFE_FUNCTIONS    /* most functions are, but not everything yet */
 172 #define  _POSIX_CHOWN_RESTRICTED    1    /* yes, chown requires appropriate privileges */
 173 #define  _POSIX_MONOTONIC_CLOCK     0    /* the monotonic clock may be available; ask sysconf */
 174 #define  _POSIX_NO_TRUNC            1    /* very long pathnames generate an error */
 175 #define  _POSIX_SAVED_IDS           1    /* saved user ids is a Linux feature */
 176 #define  _POSIX_JOB_CONTROL         1    /* job control is a Linux feature */
 177
 178
 179
 180 #endif