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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  * All rights reserved.
      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  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _BITS_POSIX_LIMITS_H_
     30 #define _BITS_POSIX_LIMITS_H_
     31 
     32 #include <sys/cdefs.h>
     33 
     34 #define __BIONIC_POSIX_FEATURE_SINCE(level) (((__ANDROID_API__) >= level) ? 200809L : -1)
     35 
     36 /* Any constant values here other than -1 or 200809L are explicitly specified by POSIX.1-2008. */
     37 /* Keep this list sorted by name. */
     38 #define _POSIX_ADVISORY_INFO __BIONIC_POSIX_FEATURE_SINCE(23) /* posix_memadvise arrived late. */
     39 #define _POSIX_AIO_LISTIO_MAX       2
     40 #define _POSIX_AIO_MAX              1
     41 #define _POSIX_ARG_MAX              4096
     42 #define _POSIX_ASYNCHRONOUS_IO      -1  /* not implemented */
     43 #define _POSIX_BARRIERS __BIONIC_POSIX_FEATURE_SINCE(24)
     44 #define _POSIX_CHILD_MAX            25
     45 #define _POSIX_CHOWN_RESTRICTED     1  /* yes, chown requires appropriate privileges */
     46 #define _POSIX_CLOCK_SELECTION      200809L
     47 #define _POSIX_CPUTIME              0  /* Use sysconf to detect support at runtime. */
     48 #define _POSIX_DELAYTIMER_MAX       32
     49 #define _POSIX_FSYNC 200809L
     50 #define _POSIX_HOST_NAME_MAX        255
     51 #define _POSIX_IPV6                 200809L
     52 #define _POSIX_JOB_CONTROL          1  /* job control is a Linux feature */
     53 #define _POSIX_LINK_MAX             8
     54 #define _POSIX_LOGIN_NAME_MAX       9  /* includes trailing NUL */
     55 #define _POSIX_MAPPED_FILES         200809L  /* mmap-ed files supported */
     56 #define _POSIX_MAX_CANON            255
     57 #define _POSIX_MAX_INPUT            255
     58 #define _POSIX_MEMLOCK __BIONIC_POSIX_FEATURE_SINCE(17) /* mlockall. */
     59 #define _POSIX_MEMLOCK_RANGE        200809L /* mlock. */
     60 #define _POSIX_MEMORY_PROTECTION    200809L
     61 #define _POSIX_MESSAGE_PASSING      -1  /* not implemented */
     62 #define _POSIX_MONOTONIC_CLOCK      0  /* the monotonic clock may be available; ask sysconf */
     63 #define _POSIX_MQ_OPEN_MAX          8
     64 #define _POSIX_MQ_PRIO_MAX          32
     65 #define _POSIX_NAME_MAX             14
     66 #define _POSIX_NGROUPS_MAX          8
     67 #define _POSIX_NO_TRUNC             1  /* very long pathnames generate an error */
     68 #define _POSIX_OPEN_MAX             20
     69 #define _POSIX_PATH_MAX             256
     70 #define _POSIX_PIPE_BUF             512
     71 #define _POSIX_PRIORITY_SCHEDULING  200809L  /* priority scheduling is a Linux feature */
     72 #define _POSIX_PRIORITIZED_IO       -1  /* not implemented */
     73 #define _POSIX_RAW_SOCKETS          200809L
     74 #define _POSIX_READER_WRITER_LOCKS  200809L
     75 #define _POSIX_REALTIME_SIGNALS     200809L
     76 #define _POSIX_REGEXP               1
     77 #define _POSIX_RE_DUP_MAX           255
     78 #define _POSIX_SAVED_IDS            1  /* saved user ids is a Linux feature */
     79 #define _POSIX_SEMAPHORES           200809L
     80 #define _POSIX_SEM_NSEMS_MAX        256
     81 #define _POSIX_SEM_VALUE_MAX        32767
     82 #define _POSIX_SHARED_MEMORY_OBJECTS  -1  /* shm_open()/shm_unlink() not implemented */
     83 #define _POSIX_SHELL                1   /* system() supported */
     84 #define _POSIX_SIGQUEUE_MAX         32
     85 #define _POSIX_SPAWN                -1  /* not implemented */
     86 #define _POSIX_SPIN_LOCKS __BIONIC_POSIX_FEATURE_SINCE(24)
     87 #define _POSIX_SPORADIC_SERVER      -1  /* not implemented */
     88 #define _POSIX_SSIZE_MAX            32767
     89 #define _POSIX_STREAM_MAX           8
     90 #define _POSIX_SYMLINK_MAX          255
     91 #define _POSIX_SYMLOOP_MAX          8
     92 #define _POSIX_SYNCHRONIZED_IO      200809L  /* synchronized i/o supported */
     93 #define _POSIX_THREADS              200809L  /* we support threads */
     94 #define _POSIX_THREAD_ATTR_STACKADDR  200809L
     95 #define _POSIX_THREAD_ATTR_STACKSIZE  200809L
     96 #define _POSIX_THREAD_CPUTIME       0  /* Use sysconf to detect support at runtime. */
     97 #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
     98 #define _POSIX_THREAD_KEYS_MAX      128
     99 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L
    100 #define _POSIX_THREAD_PRIO_INHERIT -1  /* not implemented */
    101 #define _POSIX_THREAD_PRIO_PROTECT -1  /* not implemented */
    102 #define _POSIX_THREAD_PROCESS_SHARED  200809L  /* PTHREAD_PROCESS_SHARED supported. */
    103 #define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1  /* not implemented */
    104 #define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1  /* not implemented */
    105 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
    106 #define _POSIX_THREAD_SPORADIC_SERVER -1  /* not implemented */
    107 #define _POSIX_THREAD_THREADS_MAX   64
    108 #define _POSIX_TIMEOUTS __BIONIC_POSIX_FEATURE_SINCE(21) /* pthread_mutex_timedlock arrived late. */
    109 #define _POSIX_TIMERS               200809L  /* Posix timers are supported */
    110 #define _POSIX_TIMER_MAX            32
    111 #define _POSIX_TRACE                -1  /* not implemented */
    112 #define _POSIX_TRACE_EVENT_FILTER   -1  /* not implemented */
    113 #define _POSIX_TRACE_INHERIT        -1  /* not implemented */
    114 #define _POSIX_TRACE_LOG            -1  /* not implemented */
    115 #define _POSIX_TRACE_NAME_MAX       8
    116 #define _POSIX_TRACE_SYS_MAX        8
    117 #define _POSIX_TRACE_USER_EVENT_MAX 32
    118 #define _POSIX_TTY_NAME_MAX         9  /* includes trailing NUL */
    119 #define _POSIX_TYPED_MEMORY_OBJECTS -1  /* not implemented */
    120 #define _POSIX_TZNAME_MAX           6
    121 #define _POSIX_VDISABLE             '\0'
    122 
    123 #if defined(__LP64__)
    124 #define _POSIX_V7_ILP32_OFF32       -1
    125 #define _POSIX_V7_ILP32_OFFBIG      -1
    126 #define _POSIX_V7_LP64_OFF64         1
    127 #define _POSIX_V7_LPBIG_OFFBIG       1
    128 #else
    129 #define _POSIX_V7_ILP32_OFF32        1
    130 #define _POSIX_V7_ILP32_OFFBIG      -1
    131 #define _POSIX_V7_LP64_OFF64        -1
    132 #define _POSIX_V7_LPBIG_OFFBIG      -1
    133 #endif
    134 
    135 #define _POSIX2_BC_BASE_MAX         99
    136 #define _POSIX2_BC_DIM_MAX          2048
    137 #define _POSIX2_BC_SCALE_MAX        99
    138 #define _POSIX2_BC_STRING_MAX       1000
    139 #define _POSIX2_CHARCLASS_NAME_MAX  14
    140 #define _POSIX2_CHAR_TERM           -1  /* not implemented */
    141 #define _POSIX2_COLL_WEIGHTS_MAX    2
    142 #define _POSIX2_C_BIND              _POSIX_VERSION
    143 #define _POSIX2_C_DEV               -1  /* c dev utilities not implemented */
    144 #define _POSIX2_EXPR_NEST_MAX       32
    145 #define _POSIX2_LINE_MAX            2048
    146 #define _POSIX2_LOCALEDEF           -1  /* localedef utilitiy not implemented */
    147 #define _POSIX2_RE_DUP_MAX          _POSIX_RE_DUP_MAX
    148 #define _POSIX2_SW_DEV              -1  /* software dev utilities not implemented */
    149 #define _POSIX2_UPE                 -1  /* user portability utilities not implemented */
    150 
    151 #define _XOPEN_ENH_I18N             -1  /* we don't support internationalization in the C library */
    152 #define _XOPEN_CRYPT                -1  /* don't support X/Open Encryption */
    153 #define _XOPEN_IOV_MAX              16
    154 #define _XOPEN_LEGACY               -1  /* not support all */
    155 #define _XOPEN_REALTIME             -1 /* we don't support all these functions */
    156 #define _XOPEN_REALTIME_THREADS     -1  /* same here */
    157 #define _XOPEN_SHM                  -1
    158 #define _XOPEN_UNIX                 1
    159 
    160 #endif
    161