We define in detail the X/Open System Interfaces i.e. _XOPEN_UNIX and all of the X/Open System Interfaces (XSI) Options Groups. The XSI options groups include encryption, realtime, advanced realtime, realtime threads, advanced realtime threads, tracing, streams, and leagcy interfaces. Signed-off-by: Carlos O'Donell <carlos@xxxxxxxxxx> -- Cheers, Carlos.
>From eb192289fb958f427904dd2588aa0419e050bd6a Mon Sep 17 00:00:00 2001 From: Carlos O'Donell <carlos@xxxxxxxxxxxxxxxx> Date: Thu, 12 Apr 2018 13:33:00 -0500 Subject: [PATCH 1/2] posixoptions.7: Expand XSI Options groups. We define in detail the X/Open System Interfaces i.e. _XOPEN_UNIX and all of the X/Open System Interfaces (XSI) Options Groups. The XSI options groups include encryption, realtime, advanced realtime, realtime threads, advanced realtime threads, tracing, streams, and leagcy interfaces. Signed-off-by: Carlos O'Donell <carlos@xxxxxxxxxx> --- man7/posixoptions.7 | 137 +++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 130 insertions(+), 7 deletions(-) diff --git a/man7/posixoptions.7 b/man7/posixoptions.7 index 7e912beae..2c3f2fe96 100644 --- a/man7/posixoptions.7 +++ b/man7/posixoptions.7 @@ -779,13 +779,136 @@ The following functions are present: Always present (probably 0). Value to set a changeable special control character to indicate that it is disabled. -.SH XOPEN EXTENSIONS -.BR _XOPEN_CRYPT , -.BR _XOPEN_LEGACY , -.BR _XOPEN_REALTIME , -.BR _XOPEN_REALTIME_THREADS , -.BR _XOPEN_UNIX . -.\" To be described. +.SH X/OPEN SYSTEM INTERFACES EXTENSIONS +.SS XSI - _XOPEN_CRYPT - _SC_XOPEN_CRYPT +The following functions are present: +.PP +.nf +.in +4n +.IR crypt (), +.IR encrypt (), +.IR setkey () +.SS XSI - _XOPEN_REALTIME - _SC_XOPEN_REALTIME +This option implies the +.B _POSIX_ASYNCHRONOUS_IO == 200112L, +.B _POSIX_FSYNC, +.B _POSIX_MAPPED_FILES, +.B _POSIX_MEMLOCK == 200112L, +.B _POSIX_MEMLOCK_RANGE == 200112L, +.B _POSIX_MEMORY_PROTECTION, +.B _POSIX_MESSAGE_PASSING == 200112L, +.B _POSIX_PRIORITIZED_IO, +.B _POSIX_PRIORITY_SCHEDULING == 200112L, +.B _POSIX_REALTIME_SIGNALS == 200112L, +.B _POSIX_SEMAPHORES == 200112L, +.B _POSIX_SHARED_MEMORY_OBJECTS == 200112L, +.B _POSIX_SYNCHRONIZED_IO == 200112L, +and +.B _POSIX_TIMERS == 200112L +options. +.SS ADV - --- - --- +The Advanced Realtime option group implies the +.B _POSIX_ADVISORY_INFO, +.B _POSIX_CLOCK_SELECTION (implies _POSIX_TIMERS), +.B _POSIX_CPUTIME (implies _POSIX_TIMERS), +.B _POSIX_MONOTONIC_CLOCK (implies _POSIX_TIMERS), +.B _POSIX_SPAWN, +.B _POSIX_SPORADIC_SERVER (implies _POSIX_PRIORITY_SCHEDULING), +.B _POSIX_TIMEOUTS, +and +.B _POSIX_TYPED_MEMORY_OBJECTS +options are all defined to 200112L. +.SS XSI - _XOPEN_REALTIME_THREADS - _SC_XOPEN_REALTIME_THREADS +This option implies the +.B _POSIX_THREAD_PRIO_INHERIT, +.B _POSIX_THREAD_PRIO_PROTECT, +and +.B _POSIX_THREAD_PRIORITY_SCHEDULING +options are all defined to 200112L. +.SS ADVANCED REALTIME THREADS - --- - --- +The option implies the +.B _POSIX_BARRIERS (implies _POSIX_THREADS, _POSIX_THREAD_SAFE_FUNCTIONS), +.B _POSIX_SPIN_LOCKS (implies _POSIX_THREADS, _POSIX_THREAD_SAFE_FUNCTIONS), +.B _POSIX_THREAD_CPUTIME (implies _POSIX_TIMERS), +and +.B _POSIX_THREAD_SPORADIC_SERVER (implies _POSIX_THREAD_PRIORITY_SCHEDULING) +options are all defined to 200112L. +.SS TRACING - --- - --- +The option implies the +.B _POSIX_TRACE, +.B _POSIX_TRACE_EVENT_FILTER, +.B _POSIX_TRACE_LOG, +and +.B _POSIX_TRACE_INHERIT +options and defined to 200112L. +.SS STREAMS - _XOPEN_STREAMS - _SC_XOPEN_STREAMS +The following functions are present: +.PP +.nf +.in +4n +.IR fattach () +.IR fdetach () +.IR getmsg () +.IR getpmsg () +.IR ioctl () +.IR iastream () +.IR putmsg () +.IR putpmsg () +.SS XSI - _XOPEN_LEGACY - _SC_XOPEN_LEGACY +Functions included in the legacy option group were previously mandatory, +but are now optional in this version. +The following functions are present: +.PP +.nf +.in +4n +.IR bcmp (), +.IR bcopy (), +.IR bzero (), +.IR ecvt (), +.IR fcvt (), +.IR ftime (), +.IR gcvt (), +.IR getcwd (), +.IR index (), +.IR mktemp (), +.IR rindex (), +.IR utimes (), +.IR wcswcs () +.SS XSI - _XOPEN_UNIX - _SC_XOPEN_UNIX +The following functions are present: +.PP +.nf +.in +4n +.IR mmap (), +.IR munmap (), +and +.IR msync. +.in -4n +.fi +.PP +The option implies the +.B _POSIX_FSYNC, +.B _POSIX_MAPPED_FILES, +.B _POSIX_MEMORY_PROTECTION, +.B _POSIX_THREAD_ATTR_STACKADDR, +.B _POSIX_THREAD_ATTR_STACKSIZE, +.B _POSIX_THREAD_PROCESS_SHARED, +.B _POSIX_THREAD_SAFE_FUNCTIONS, +and +.B _POSIX_THREADS +options. +.PP +The option may imply the +.B Encryption (_XOPEN_CRYPT), +.B Realtime (_XOPEN_REALTIME), +.B Advanced Raltime (ADB), +.B Realtime Threads (_XOPEN_REALTIME_THREADS), +.B Advanced Realtime Threads (ADVANCED REALTIME THREADS), +.B Tracing (TRACING), +.B XSI Streams (STREAMS), +and +.B Legacy (_XOPEN_LEGACY) +options from the XSI option groups. .SH SEE ALSO .BR sysconf (3), .BR standards (7) -- 2.14.3
