Merge "More POSIX limits cleanup."
This commit is contained in:
Elliott Hughes
Gerrit Code Review
commit
7181e53cfe
2 changed files with 88 additions and 82 deletions
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@ -35,93 +35,63 @@
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#define _POSIX2_VERSION _POSIX_VERSION
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#define _XOPEN_VERSION 700
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#define __BIONIC_POSIX_FEATURE_SINCE(level) (((__ANDROID_API__) >= level) ? _POSIX_VERSION : -1)
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#define __BIONIC_POSIX_FEATURE_MISSING (-1)
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#define __BIONIC_POSIX_FEATURE_SINCE(level) \
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(((__ANDROID_API__) >= level) ? _POSIX_VERSION : __BIONIC_POSIX_FEATURE_MISSING)
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/* Any constant values here other than -1 or 200809L are explicitly specified by POSIX.1-2008. */
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/* Availability macros. */
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/* See http://man7.org/linux/man-pages/man7/posixoptions.7.html for documentation. */
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/* Keep this list sorted by name. */
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#define _POSIX_ADVISORY_INFO __BIONIC_POSIX_FEATURE_SINCE(23) /* posix_memadvise arrived late. */
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#define _POSIX_AIO_LISTIO_MAX 2
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#define _POSIX_AIO_MAX 1
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#define _POSIX_ARG_MAX 4096
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#define _POSIX_ASYNCHRONOUS_IO -1 /* not implemented */
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#define _POSIX_ASYNCHRONOUS_IO __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_BARRIERS __BIONIC_POSIX_FEATURE_SINCE(24)
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#define _POSIX_CHILD_MAX 25
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#define _POSIX_CHOWN_RESTRICTED 1 /* yes, chown requires appropriate privileges */
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#define _POSIX_CHOWN_RESTRICTED 1 /* chown/fchown require appropriate privileges. */
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#define _POSIX_CLOCK_SELECTION __BIONIC_POSIX_FEATURE_SINCE(21) /* clock_nanosleep/pthread_condattr_getclock/pthread_condattr_setclock. */
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#define _POSIX_CPUTIME _POSIX_VERSION /* CLOCK_PROCESS_CPUTIME_ID. */
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#define _POSIX_DELAYTIMER_MAX 32
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#define _POSIX_FSYNC 200809L
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#define _POSIX_HOST_NAME_MAX 255
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#define _POSIX_IPV6 200809L
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#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */
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#define _POSIX_LINK_MAX 8
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#define _POSIX_LOGIN_NAME_MAX 9 /* includes trailing NUL */
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#define _POSIX_MAPPED_FILES 200809L /* mmap-ed files supported */
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#define _POSIX_MAX_CANON 255
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#define _POSIX_MAX_INPUT 255
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#define _POSIX_MEMLOCK __BIONIC_POSIX_FEATURE_SINCE(17) /* mlockall. */
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#define _POSIX_MEMLOCK_RANGE 200809L /* mlock. */
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#define _POSIX_MEMORY_PROTECTION 200809L
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#define _POSIX_MESSAGE_PASSING -1 /* not implemented */
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#define _POSIX_FSYNC _POSIX_VERSION /* fsync. */
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#define _POSIX_IPV6 _POSIX_VERSION
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#define _POSIX_JOB_CONTROL __BIONIC_POSIX_FEATURE_SINCE(21) /* setpgid/tcdrain/tcflush/tcgetpgrp/tcsendbreak/tcsetattr/tcsetpgrp. */
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#define _POSIX_MAPPED_FILES _POSIX_VERSION /* mmap/msync/munmap. */
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#define _POSIX_MEMLOCK __BIONIC_POSIX_FEATURE_SINCE(17) /* mlockall/munlockall. */
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#define _POSIX_MEMLOCK_RANGE _POSIX_VERSION /* mlock/munlock. */
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#define _POSIX_MEMORY_PROTECTION _POSIX_VERSION /* mprotect. */
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#define _POSIX_MESSAGE_PASSING __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION /* CLOCK_MONOTONIC. */
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#define _POSIX_MQ_OPEN_MAX 8
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#define _POSIX_MQ_PRIO_MAX 32
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#define _POSIX_NAME_MAX 14
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#define _POSIX_NGROUPS_MAX 8
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#define _POSIX_NO_TRUNC 1 /* very long pathnames generate an error */
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#define _POSIX_OPEN_MAX 20
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#define _POSIX_PATH_MAX 256
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#define _POSIX_PIPE_BUF 512
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#define _POSIX_PRIORITY_SCHEDULING 200809L /* priority scheduling is a Linux feature */
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#define _POSIX_PRIORITIZED_IO -1 /* not implemented */
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#define _POSIX_RAW_SOCKETS 200809L
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#define _POSIX_READER_WRITER_LOCKS 200809L
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#define _POSIX_REALTIME_SIGNALS 200809L
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#define _POSIX_REGEXP 1
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#define _POSIX_RE_DUP_MAX 255
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#define _POSIX_SAVED_IDS 1 /* saved user ids is a Linux feature */
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#define _POSIX_SEMAPHORES 200809L
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#define _POSIX_SEM_NSEMS_MAX 256
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#define _POSIX_SEM_VALUE_MAX 32767
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#define _POSIX_SHARED_MEMORY_OBJECTS -1 /* shm_open()/shm_unlink() not implemented */
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#define _POSIX_SHELL 1 /* system() supported */
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#define _POSIX_SIGQUEUE_MAX 32
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#define _POSIX_SPAWN -1 /* not implemented */
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#define _POSIX_SPIN_LOCKS __BIONIC_POSIX_FEATURE_SINCE(24)
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#define _POSIX_SPORADIC_SERVER -1 /* not implemented */
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#define _POSIX_SSIZE_MAX 32767
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#define _POSIX_STREAM_MAX 8
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#define _POSIX_SYMLINK_MAX 255
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#define _POSIX_SYMLOOP_MAX 8
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#define _POSIX_SYNCHRONIZED_IO 200809L /* synchronized i/o supported */
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#define _POSIX_THREADS 200809L /* we support threads */
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#define _POSIX_THREAD_ATTR_STACKADDR 200809L
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#define _POSIX_THREAD_ATTR_STACKSIZE 200809L
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#define _POSIX_NO_TRUNC 1 /* Over-long pathnames return errors. */
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#define _POSIX_PRIORITIZED_IO __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_PRIORITY_SCHEDULING _POSIX_VERSION /* sched_*. */
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#define _POSIX_RAW_SOCKETS _POSIX_VERSION
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#define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION /* pthread_rwlock*. */
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#define _POSIX_REALTIME_SIGNALS __BIONIC_POSIX_FEATURE_SINCE(23) /* sigqueue/sigtimedwait/sigwaitinfo. */
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#define _POSIX_REGEXP 1
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#define _POSIX_SAVED_IDS 1
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#define _POSIX_SEMAPHORES _POSIX_VERSION /* sem_*. */
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#define _POSIX_SHARED_MEMORY_OBJECTS __BIONIC_POSIX_FEATURE_MISSING /* mmap/munmap are implemented, but shm_open/shm_unlink are not. */
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#define _POSIX_SHELL 1 /* system. */
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#define _POSIX_SPAWN __BIONIC_POSIX_FEATURE_MISSING /* <spawn.h> */
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#define _POSIX_SPIN_LOCKS __BIONIC_POSIX_FEATURE_SINCE(24) /* pthread_spin_*. */
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#define _POSIX_SPORADIC_SERVER _POSIX_VERSION /* sched_setparam/sched_setscheduler. */
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#define _POSIX_SYNCHRONIZED_IO _POSIX_VERSION
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#define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION /* Strictly, we're missing the deprecated pthread_attr_getstackaddr/pthread_attr_setstackaddr, but we do have pthread_attr_getstack/pthread_attr_setstack. */
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#define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION /* pthread_attr_getstack/pthread_attr_getstacksize/pthread_attr_setstack/pthread_attr_setstacksize. */
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#define _POSIX_THREAD_CPUTIME _POSIX_VERSION /* CLOCK_THREAD_CPUTIME_ID. */
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#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
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#define _POSIX_THREAD_KEYS_MAX 128
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#define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L
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#define _POSIX_THREAD_PRIO_INHERIT -1 /* not implemented */
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#define _POSIX_THREAD_PRIO_PROTECT -1 /* not implemented */
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#define _POSIX_THREAD_PROCESS_SHARED 200809L /* PTHREAD_PROCESS_SHARED supported. */
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#define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1 /* not implemented */
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#define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 /* not implemented */
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#define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
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#define _POSIX_THREAD_SPORADIC_SERVER -1 /* not implemented */
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#define _POSIX_THREAD_THREADS_MAX 64
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#define _POSIX_THREAD_PRIO_INHERIT __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_THREAD_PRIO_PROTECT __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION /* Strictly, pthread_attr_getinheritsched/pthread_attr_setinheritsched are missing. */
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#define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
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#define _POSIX_THREAD_ROBUST_PRIO_INHERIT __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_THREAD_ROBUST_PRIO_PROTECT __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
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#define _POSIX_THREAD_SPORADIC_SERVER _POSIX_VERSION /* sched_setparam/sched_setscheduler. */
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#define _POSIX_THREADS _POSIX_VERSION /* Strictly, pthread_cancel/pthread_testcancel are missing. */
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#define _POSIX_TIMEOUTS __BIONIC_POSIX_FEATURE_SINCE(21) /* pthread_mutex_timedlock arrived late. */
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#define _POSIX_TIMERS 200809L /* Posix timers are supported */
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#define _POSIX_TIMER_MAX 32
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#define _POSIX_TRACE -1 /* not implemented */
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#define _POSIX_TRACE_EVENT_FILTER -1 /* not implemented */
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#define _POSIX_TRACE_INHERIT -1 /* not implemented */
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#define _POSIX_TRACE_LOG -1 /* not implemented */
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#define _POSIX_TRACE_NAME_MAX 8
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#define _POSIX_TRACE_SYS_MAX 8
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#define _POSIX_TRACE_USER_EVENT_MAX 32
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#define _POSIX_TTY_NAME_MAX 9 /* includes trailing NUL */
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#define _POSIX_TYPED_MEMORY_OBJECTS -1 /* not implemented */
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#define _POSIX_TZNAME_MAX 6
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#define _POSIX_TIMERS _POSIX_VERSION /* clock_getres/clock_gettime/clock_settime/nanosleep/timer_create/timer_delete/timer_gettime/timer_getoverrun/timer_settime. */
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#define _POSIX_TRACE __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_TRACE_EVENT_FILTER __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_TRACE_INHERIT __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_TRACE_LOG __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_TYPED_MEMORY_OBJECTS __BIONIC_POSIX_FEATURE_MISSING
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#define _POSIX_VDISABLE '\0'
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#if defined(__LP64__)
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@ -136,6 +106,42 @@
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#define _POSIX_V7_LPBIG_OFFBIG -1
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#endif
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/* Minimum values for other maxima. These numbers are simply lower bounds mandated by POSIX. */
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/* Any constant values here other than -1 or 200809L are explicitly specified by POSIX.1-2008. */
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#define _POSIX_AIO_LISTIO_MAX 2
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#define _POSIX_AIO_MAX 1
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#define _POSIX_ARG_MAX 4096
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#define _POSIX_CHILD_MAX 25
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#define _POSIX_DELAYTIMER_MAX 32
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#define _POSIX_HOST_NAME_MAX 255
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#define _POSIX_LINK_MAX 8
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#define _POSIX_LOGIN_NAME_MAX 9 /* includes trailing NUL */
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#define _POSIX_MAX_CANON 255
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#define _POSIX_MAX_INPUT 255
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#define _POSIX_MQ_OPEN_MAX 8
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#define _POSIX_MQ_PRIO_MAX 32
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#define _POSIX_NAME_MAX 14
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#define _POSIX_NGROUPS_MAX 8
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#define _POSIX_OPEN_MAX 20
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#define _POSIX_PATH_MAX 256
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#define _POSIX_PIPE_BUF 512
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#define _POSIX_RE_DUP_MAX 255
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#define _POSIX_SEM_NSEMS_MAX 256
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#define _POSIX_SEM_VALUE_MAX 32767
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#define _POSIX_SIGQUEUE_MAX 32
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#define _POSIX_SSIZE_MAX 32767
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#define _POSIX_STREAM_MAX 8
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#define _POSIX_SYMLINK_MAX 255
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#define _POSIX_SYMLOOP_MAX 8
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#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
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#define _POSIX_THREAD_KEYS_MAX 128
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#define _POSIX_THREAD_THREADS_MAX 64
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#define _POSIX_TIMER_MAX 32
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#define _POSIX_TRACE_NAME_MAX 8
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#define _POSIX_TRACE_SYS_MAX 8
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#define _POSIX_TRACE_USER_EVENT_MAX 32
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#define _POSIX_TTY_NAME_MAX 9 /* includes trailing NUL */
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#define _POSIX_TZNAME_MAX 6
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#define _POSIX2_BC_BASE_MAX 99
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#define _POSIX2_BC_DIM_MAX 2048
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#define _POSIX2_BC_SCALE_MAX 99
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@ -736,7 +736,7 @@ TEST(UNISTD_TEST, _POSIX_macros_smoke) {
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EXPECT_GT(_POSIX_SEM_VALUE_MAX, 0);
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EXPECT_GT(_POSIX_SHELL, 0);
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EXPECT_GT(_POSIX_SIGQUEUE_MAX, 0);
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EXPECT_EQ(-1, _POSIX_SPORADIC_SERVER);
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EXPECT_EQ(_POSIX_VERSION, _POSIX_SPORADIC_SERVER);
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EXPECT_GT(_POSIX_SSIZE_MAX, 0);
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EXPECT_GT(_POSIX_STREAM_MAX, 0);
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EXPECT_GT(_POSIX_SYMLINK_MAX, 0);
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@ -754,7 +754,7 @@ TEST(UNISTD_TEST, _POSIX_macros_smoke) {
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EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_PROCESS_SHARED);
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EXPECT_EQ(-1, _POSIX_THREAD_ROBUST_PRIO_PROTECT);
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EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_SAFE_FUNCTIONS);
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EXPECT_EQ(-1, _POSIX_THREAD_SPORADIC_SERVER);
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EXPECT_EQ(_POSIX_VERSION, _POSIX_THREAD_SPORADIC_SERVER);
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EXPECT_GT(_POSIX_THREAD_THREADS_MAX, 0);
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EXPECT_EQ(_POSIX_VERSION, _POSIX_TIMEOUTS);
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EXPECT_EQ(_POSIX_VERSION, _POSIX_TIMERS);
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@ -915,11 +915,11 @@ TEST(UNISTD_TEST, sysconf) {
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VERIFY_SYSCONF_POSIX_VERSION(_SC_READER_WRITER_LOCKS);
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VERIFY_SYSCONF_POSITIVE(_SC_REGEXP);
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VERIFY_SYSCONF_POSITIVE(_SC_SHELL);
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VERIFY_SYSCONF_UNSUPPORTED(_SC_SPORADIC_SERVER);
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VERIFY_SYSCONF_POSIX_VERSION(_SC_SPORADIC_SERVER);
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VERIFY_SYSCONF_POSITIVE(_SC_SYMLOOP_MAX);
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VERIFY_SYSCONF_POSIX_VERSION(_SC_THREAD_CPUTIME);
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VERIFY_SYSCONF_POSIX_VERSION(_SC_THREAD_PROCESS_SHARED);
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VERIFY_SYSCONF_UNSUPPORTED(_SC_THREAD_SPORADIC_SERVER);
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VERIFY_SYSCONF_POSIX_VERSION(_SC_THREAD_SPORADIC_SERVER);
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VERIFY_SYSCONF_POSIX_VERSION(_SC_TIMEOUTS);
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VERIFY_SYSCONF_UNSUPPORTED(_SC_TRACE);
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VERIFY_SYSCONF_UNSUPPORTED(_SC_TRACE_EVENT_FILTER);
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