docs/20528: sysconf(3) manpage doesn't mention posix.1b options

[Bruce M Simpson]

The following reply was made to PR docs/20528; it has been noted by GNATS.

From: Bruce M Simpson <bms at spc.org>
To: freebsd-gnats-submit at FreeBSD.org
Cc: mkb at altair.mayn.de, nik at freebsd.org, tjr at freebsd.org
Subject: Re: docs/20528: sysconf(3) manpage doesn't mention posix.1b options
Date: Sat, 21 Jun 2003 16:16:57 +0100

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 Hi,
 
 Here's a patch that adds the __POSIX_VISIBLE >= 199309 sysconf
 variables to our sysconf(3) manpage.
 
 BMS
 
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 Content-Disposition: attachment; filename="sysconf.patch"
 
 Generated by diffcoll on Sat 21 Jun 2003 16:13:31 BST
 
 diff -uN src/lib/libc/gen/sysconf.3.orig src/lib/libc/gen/sysconf.3
 --- /usr/src/lib/libc/gen/sysconf.3.orig	Sat Jun 21 15:41:57 2003
 +++ /usr/src/lib/libc/gen/sysconf.3	Sat Jun 21 16:13:21 2003
 @@ -164,6 +164,84 @@
  .It Li _SC_2_UPE
  Return 1 if the system supports the User Portability Utilities Option,
  otherwise \-1.
 +.It Li _SC_ASYNCHRONOUS_IO
 +Return 1 if the system supports Asynchronous I/O facilities as described in
 +.St -p1003.1 ,
 +otherwise \-1.
 +.It Li _SC_MAPPED_FILES
 +Return 1 if the system supports memory mapped files, otherwise \-1.
 +.It Li _SC_MEMLOCK
 +Return 1 if the system supports process memory locking, otherwise \-1.
 +.It Li _SC_MEMLOCK_RANGE
 +Return 1 if the system supports range memory locking, otherwise \-1.
 +.It Li _SC_MEMORY_PROTECTION
 +Return 1 if the system supports memory protection, otherwise \-1.
 +.It Li _SC_MESSAGE_PASSING
 +Return 1 if the system supports POSIX message queues, otherwise \-1.
 +.It Li _SC_PRIORITIZED_IO
 +Return 1 if the system supports POSIX prioritized I/O, otherwise \-1.
 +.It Li _SC_PRIORITY_SCHEDULING
 +Return 1 if the system supports POSIX priority scheduling, otherwise \-1.
 +.It Li _SC_REALTIME_SIGNALS
 +Return 1 if the system supports POSIX realtime signals, otherwise \-1.
 +.It Li _SC_SEMAPHORES
 +Return 1 if the system supports POSIX semaphores, otherwise \-1.
 +.It Li _SC_FSYNC
 +Return 1 if the system supports file synchronization, otherwise \-1.
 +.It Li _SC_RAW_SOCKETS
 +Return 1 if the system supports
 +.Dv SOCK_RAW
 +style raw sockets, otherwise \-1.
 +.It Li _SC_SHARED_MEMORY_OBJECTS
 +Return 1 if the system supports POSIX shared memory objects, otherwise \-1.
 +.It Li _SC_SYNCHRONIZED_IO
 +Return 1 if the system supports POSIX synchronized I/O, otherwise \-1.
 +.It Li _SC_TIMERS
 +Return 1 if the system supports POSIX timers, otherwise \-1.
 +.It Li _SC_IPV6
 +Return 1 if the system supports Internet Protocol version 6, otherwise \-1.
 +.It Li _SC_AIO_LISTIO_MAX
 +The maximum number of POSIX asynchronous I/O operations supported.
 +.It Li _SC_AIO_MAX
 +The maximum number of outstanding asynchronous I/O operations supported.
 +.It Li _SC_AIO_PRIO_DELTA_MAX
 +The maximum amount by which a process can decrease its asynchronous
 +I/O priority level from its own scheduling priority.
 +.It Li _SC_DELAYTIMER_MAX
 +The maximum number of timer expiration overruns permitted for each process.
 +.It Li _SC_MQ_OPEN_MAX
 +The maximum number of open POSIX message queues which a process may hold.
 +.It Li _SC_PAGESIZE
 +The system memory page size.
 +.It Li _SC_PAGE_SIZE
 +This is a synonym for
 +.Dv _SC_PAGESIZE .
 +.It Li _SC_RTSIG_MAX
 +The number of the highest POSIX realtime signal supported.
 +.It Li _SC_SEM_NSEMS_MAX
 +The maximum number of POSIX semaphores that a process may have.
 +.It Li _SC_SEM_VALUE_MAX
 +The maximum value that a POSIX semaphore may have.
 +.It Li _SC_SIGQUEUE_MAX
 +The maximum number of POSIX queued signals that a process may send and
 +have pending at receiver(s) at any given time.
 +.It Li _SC_TIMER_MAX
 +The maximum number of POSIX timers that a process may request.
 +.It Li _SC_NPROCESSORS_ONLN
 +The number of processors that are online and running in the system.
 +.It Li _SC_NPROCESSORS_CONF
 +The number of processors that are configured, but not
 +necessarily running, in the system.
 +.It Li _SC_IOV_MAX
 +The maximum number of iovec structures that one process may use with the
 +.Fn readv
 +and
 +.Fn writev
 +functions.
 +.It Li _SC_ATEXIT_MAX
 +The maximum number of functions that a process may register with the
 +.Fn atexit
 +function.
  .El
  .Sh RETURN VALUES
  If the call to
 
 
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