flesh out sysconf(3) and the _POSIX_* constants
Bug: 17571891
Change-Id: I81036615486bde65969ae5662587fcc88348474e
diff --git a/libc/include/machine/posix_limits.h b/libc/include/machine/posix_limits.h
index f092731..e5a299b 100644
--- a/libc/include/machine/posix_limits.h
+++ b/libc/include/machine/posix_limits.h
@@ -29,46 +29,129 @@
#ifndef _POSIX_LIMITS_H_
#define _POSIX_LIMITS_H_
-/* TODO: complete and check these. */
-#define _POSIX2_LINE_MAX 2048
-#define _POSIX2_RE_DUP_MAX _POSIX_RE_DUP_MAX
+
+/* Any constant values here other than -1 or 200809L are explicitly specified by POSIX.1-2008. */
+/* Keep it sorted. */
+#define _POSIX_ADVISORY_INFO -1 /* posix_madvise() not implemented */
+#define _POSIX_AIO_LISTIO_MAX 2
+#define _POSIX_AIO_MAX 1
#define _POSIX_ARG_MAX 4096
+#define _POSIX_ASYNCHRONOUS_IO -1 /* not implemented */
+#define _POSIX_BARRIERS -1 /* not implemented */
#define _POSIX_CHILD_MAX 25
#define _POSIX_CHOWN_RESTRICTED 1 /* yes, chown requires appropriate privileges */
-#define _POSIX_FSYNC 1 /* fdatasync() supported */
-#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */
+#define _POSIX_CLOCK_SELECTION 200809L
+#define _POSIX_CPUTIME -1 /* clock_getcpuclockid() not implemented */
+#define _POSIX_DELAYTIMER_MAX 32
+#define _POSIX_FSYNC 200809L /* fdatasync() supported */
#define _POSIX_HOST_NAME_MAX 255
+#define _POSIX_IPV6 200809L
+#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */
#define _POSIX_LINK_MAX 8
#define _POSIX_LOGIN_NAME_MAX 9 /* includes trailing NUL */
-#define _POSIX_MAPPED_FILES 1 /* mmap-ed files supported */
+#define _POSIX_MAPPED_FILES 200809L /* mmap-ed files supported */
#define _POSIX_MAX_CANON 255
#define _POSIX_MAX_INPUT 255
+#define _POSIX_MEMLOCK 200809L
+#define _POSIX_MEMLOCK_RANGE 200809L
+#define _POSIX_MEMORY_PROTECTION 200809L
+#define _POSIX_MESSAGE_PASSING -1 /* not implemented */
#define _POSIX_MONOTONIC_CLOCK 0 /* the monotonic clock may be available; ask sysconf */
+#define _POSIX_MQ_OPEN_MAX 8
+#define _POSIX_MQ_PRIO_MAX 32
#define _POSIX_NAME_MAX 14
-#define _POSIX_NGROUPS_MAX 0
+#define _POSIX_NGROUPS_MAX 8
#define _POSIX_NO_TRUNC 1 /* very long pathnames generate an error */
-#define _POSIX_OPEN_MAX 16
+#define _POSIX_OPEN_MAX 20
#define _POSIX_PATH_MAX 256
#define _POSIX_PIPE_BUF 512
-#define _POSIX_PRIORITY_SCHEDULING 1 /* priority scheduling is a Linux feature */
+#define _POSIX_PRIORITY_SCHEDULING 200809L /* priority scheduling is a Linux feature */
+#define _POSIX_PRIORITIZED_IO -1 /* not implemented */
+#define _POSIX_RAW_SOCKETS 200809L
+#define _POSIX_READER_WRITER_LOCKS 200809L
#define _POSIX_REALTIME_SIGNALS -1 /* for now, this is not supported */
+#define _POSIX_REGEXP 1
#define _POSIX_RE_DUP_MAX 255
#define _POSIX_SAVED_IDS 1 /* saved user ids is a Linux feature */
#define _POSIX_SEMAPHORES 200809L
+#define _POSIX_SEM_NSEMS_MAX 256
#define _POSIX_SEM_VALUE_MAX 32767
+#define _POSIX_SHARED_MEMORY_OBJECTS -1 /* shm_open()/shm_unlink() not implemented */
+#define _POSIX_SHELL 1 /* system() supported */
+#define _POSIX_SIGQUEUE_MAX 32
+#define _POSIX_SPAWN -1 /* not implemented */
+#define _POSIX_SPIN_LOCKS -1 /* not implemented */
+#define _POSIX_SPORADIC_SERVER -1 /* not implemented */
#define _POSIX_SSIZE_MAX 32767
#define _POSIX_STREAM_MAX 8
#define _POSIX_SYMLINK_MAX 255
#define _POSIX_SYMLOOP_MAX 8
-#define _POSIX_SYNCHRONIZED_IO 1 /* synchronized i/o supported */
-#define _POSIX_THREAD_PRIO_INHERIT 200112L /* linux feature */
-#define _POSIX_THREAD_PRIO_PROTECT 200112L /* linux feature */
-#define _POSIX_THREADS 1 /* we support threads */
-#define _POSIX_THREAD_STACKADDR 1 /* we support thread stack address */
-#define _POSIX_THREAD_STACKSIZE 1 /* we support thread stack size */
-#define _POSIX_TIMERS 1 /* Posix timers are supported */
+#define _POSIX_SYNCHRONIZED_IO 200809L /* synchronized i/o supported */
+#define _POSIX_THREADS 200809L /* we support threads */
+#define _POSIX_THREAD_ATTR_STACKADDR 200809L
+#define _POSIX_THREAD_ATTR_STACKSIZE 200809L
+#define _POSIX_THREAD_CPUTIME 200809L
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+#define _POSIX_THREAD_KEYS_MAX 128
+#define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L
+#define _POSIX_THREAD_PRIO_INHERIT 200809L /* linux feature */
+#define _POSIX_THREAD_PRIO_PROTECT 200809L /* linux feature */
+#define _POSIX_THREAD_PROCESS_SHARED -1 /* not implemented */
+#define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1 /* not implemented */
+#define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 /* not implemented */
+#define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
+#define _POSIX_THREAD_SPORADIC_SERVER -1 /* not implemented */
+#define _POSIX_THREAD_THREADS_MAX 64
+#define _POSIX_TIMEOUTS 200809L
+#define _POSIX_TIMERS 200809L /* Posix timers are supported */
+#define _POSIX_TIMER_MAX 32
+#define _POSIX_TRACE -1 /* not implemented */
+#define _POSIX_TRACE_EVENT_FILTER -1 /* not implemented */
+#define _POSIX_TRACE_INHERIT -1 /* not implemented */
+#define _POSIX_TRACE_LOG -1 /* not implemented */
+#define _POSIX_TRACE_NAME_MAX 8
+#define _POSIX_TRACE_SYS_MAX 8
+#define _POSIX_TRACE_USER_EVENT_MAX 32
#define _POSIX_TTY_NAME_MAX 9 /* includes trailing NUL */
-#define _POSIX_TZNAME_MAX 3
+#define _POSIX_TYPED_MEMORY_OBJECTS -1 /* not implemented */
+#define _POSIX_TZNAME_MAX 6
#define _POSIX_VDISABLE '\0'
+#if defined(__LP64__)
+#define _POSIX_V7_ILP32_OFF32 -1
+#define _POSIX_V7_ILP32_OFFBIG -1
+#define _POSIX_V7_LP64_OFF64 1
+#define _POSIX_V7_LPBIG_OFFBIG 1
+#else
+#define _POSIX_V7_ILP32_OFF32 1
+#define _POSIX_V7_ILP32_OFFBIG -1
+#define _POSIX_V7_LP64_OFF64 -1
+#define _POSIX_V7_LPBIG_OFFBIG -1
+#endif
+
+#define _POSIX2_BC_BASE_MAX 99
+#define _POSIX2_BC_DIM_MAX 2048
+#define _POSIX2_BC_SCALE_MAX 99
+#define _POSIX2_BC_STRING_MAX 1000
+#define _POSIX2_CHARCLASS_NAME_MAX 14
+#define _POSIX2_CHAR_TERM -1 /* not implemented */
+#define _POSIX2_COLL_WEIGHTS_MAX 2
+#define _POSIX2_C_BIND _POSIX_VERSION
+#define _POSIX2_C_DEV -1 /* c dev utilities not implemented */
+#define _POSIX2_EXPR_NEST_MAX 32
+#define _POSIX2_LINE_MAX 2048
+#define _POSIX2_LOCALEDEF -1 /* localedef utilitiy not implemented */
+#define _POSIX2_RE_DUP_MAX _POSIX_RE_DUP_MAX
+#define _POSIX2_SW_DEV -1 /* software dev utilities not implemented */
+#define _POSIX2_UPE -1 /* user portability utilities not implemented */
+
+#define _XOPEN_ENH_I18N -1 /* we don't support internationalization in the C library */
+#define _XOPEN_CRYPT -1 /* don't support X/Open Encryption */
+#define _XOPEN_IOV_MAX 16
+#define _XOPEN_LEGACY -1 /* not support all */
+#define _XOPEN_REALTIME -1 /* we don't support all these functions */
+#define _XOPEN_REALTIME_THREADS -1 /* same here */
+#define _XOPEN_SHM -1
+#define _XOPEN_UNIX 1
+
#endif /* _POSIX_LIMITS_H_ */