diff options
Diffstat (limited to 'man7/posixoptions.7')
| -rw-r--r-- | man7/posixoptions.7 | 1014 |
1 files changed, 0 insertions, 1014 deletions
diff --git a/man7/posixoptions.7 b/man7/posixoptions.7 deleted file mode 100644 index 2b3e3bc..0000000 --- a/man7/posixoptions.7 +++ /dev/null @@ -1,1014 +0,0 @@ -.\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl) -.\" -.\" SPDX-License-Identifier: GPL-2.0-or-later -.\" -.TH posixoptions 7 2023-11-01 "Linux man-pages 6.7" -.SH NAME -posixoptions \- optional parts of the POSIX standard -.SH DESCRIPTION -The POSIX standard (the information below is from POSIX.1-2001) -describes a set of behaviors and interfaces for a compliant system. -However, many interfaces are optional and there are feature test macros -to test the availability of interfaces at compile time, and functions -.BR sysconf (3), -.BR fpathconf (3), -.BR pathconf (3), -.BR confstr (3) -to do this at run time. -From shell scripts one can use -.BR getconf (1). -For more detail, see -.BR sysconf (3). -.P -We give the name of the POSIX abbreviation, the option, the name of the -.BR sysconf (3) -parameter used to inquire about the option, and possibly -a very short description. -Much more precise detail can be found in the POSIX standard itself, -versions of which can nowadays be accessed freely on the web. -.SS ADV - _POSIX_ADVISORY_INFO - _SC_ADVISORY_INFO -The following advisory functions are present: -.P -.nf -.in +4n -.IR posix_fadvise () -.IR posix_fallocate () -.IR posix_memalign () -.IR posix_madvise () -.in -.fi -.SS AIO - _POSIX_ASYNCHRONOUS_IO - _SC_ASYNCHRONOUS_IO -The header -.I <aio.h> -is present. -The following functions are present: -.P -.nf -.in +4n -.IR aio_cancel () -.IR aio_error () -.IR aio_fsync () -.IR aio_read () -.IR aio_return () -.IR aio_suspend () -.IR aio_write () -.IR lio_listio () -.in -.fi -.SS BAR - _POSIX_BARRIERS - _SC_BARRIERS -This option implies the -.B _POSIX_THREADS -and -.B _POSIX_THREAD_SAFE_FUNCTIONS -options. -The following functions are present: -.P -.nf -.in +4n -.IR pthread_barrier_destroy () -.IR pthread_barrier_init () -.IR pthread_barrier_wait () -.IR pthread_barrierattr_destroy () -.IR pthread_barrierattr_init () -.in -.fi -.\" .SS BE -.\" Batch environment. -.\" .SS CD -.\" C development. -.SS --- - POSIX_CHOWN_RESTRICTED -If this option is in effect (as it always is under POSIX.1-2001), -then only root may change the owner of a file, and nonroot can -set the group of a file only to one of the groups it belongs to. -This affects the following functions: -.P -.nf -.in +4n -.IR chown () -.IR fchown () -.in -.fi -.\" What about lchown() ? -.SS CS - _POSIX_CLOCK_SELECTION - _SC_CLOCK_SELECTION -This option implies the -.B _POSIX_TIMERS -option. -The following functions are present: -.P -.nf -.in +4n -.IR pthread_condattr_getclock () -.IR pthread_condattr_setclock () -.IR clock_nanosleep () -.in -.fi -.P -If -.B CLOCK_REALTIME -is changed by the function -.IR clock_settime (), -then this affects all timers set for an absolute time. -.SS CPT - _POSIX_CPUTIME - _SC_CPUTIME -The -.B CLOCK_PROCESS_CPUTIME_ID -clock ID is supported. -The initial value of this clock is 0 for each process. -This option implies the -.B _POSIX_TIMERS -option. -The function -.IR clock_getcpuclockid () -is present. -.\" .SS FD -.\" Fortran development -.\" .SS FR -.\" Fortran runtime -.SS --- - _POSIX_FILE_LOCKING - _SC_FILE_LOCKING -This option has been deleted. -Not in final XPG6. -.SS FSC - _POSIX_FSYNC - _SC_FSYNC -The function -.IR fsync () -is present. -.SS IP6 - _POSIX_IPV6 - _SC_IPV6 -Internet Protocol Version 6 is supported. -.SS --- - _POSIX_JOB_CONTROL - _SC_JOB_CONTROL -If this option is in effect (as it always is under POSIX.1-2001), -then the system implements POSIX-style job control, -and the following functions are present: -.P -.nf -.in +4n -.IR setpgid () -.IR tcdrain () -.IR tcflush () -.IR tcgetpgrp () -.IR tcsendbreak () -.IR tcsetattr () -.IR tcsetpgrp () -.in -.fi -.SS MF - _POSIX_MAPPED_FILES - _SC_MAPPED_FILES -Shared memory is supported. -The include file -.I <sys/mman.h> -is present. -The following functions are present: -.P -.nf -.in +4n -.IR mmap () -.IR msync () -.IR munmap () -.in -.fi -.SS ML - _POSIX_MEMLOCK - _SC_MEMLOCK -Shared memory can be locked into core. -The following functions are present: -.P -.nf -.in +4n -.IR mlockall () -.IR munlockall () -.in -.fi -.SS MR/MLR - _POSIX_MEMLOCK_RANGE - _SC_MEMLOCK_RANGE -More precisely, ranges can be locked into core. -The following functions are present: -.P -.nf -.in +4n -.IR mlock () -.IR munlock () -.in -.fi -.SS MPR - _POSIX_MEMORY_PROTECTION - _SC_MEMORY_PROTECTION -The function -.IR mprotect () -is present. -.SS MSG - _POSIX_MESSAGE_PASSING - _SC_MESSAGE_PASSING -The include file -.I <mqueue.h> -is present. -The following functions are present: -.P -.nf -.in +4n -.IR mq_close () -.IR mq_getattr () -.IR mq_notify () -.IR mq_open () -.IR mq_receive () -.IR mq_send () -.IR mq_setattr () -.IR mq_unlink () -.in -.fi -.SS MON - _POSIX_MONOTONIC_CLOCK - _SC_MONOTONIC_CLOCK -.B CLOCK_MONOTONIC -is supported. -This option implies the -.B _POSIX_TIMERS -option. -The following functions are affected: -.P -.nf -.in +4n -.IR aio_suspend () -.IR clock_getres () -.IR clock_gettime () -.IR clock_settime () -.IR timer_create () -.in -.fi -.SS --- - _POSIX_MULTI_PROCESS - _SC_MULTI_PROCESS -This option has been deleted. -Not in final XPG6. -.\" .SS MX -.\" IEC 60559 Floating-Point Option. -.SS --- - _POSIX_NO_TRUNC -If this option is in effect (as it always is under POSIX.1-2001), -then pathname components longer than -.B NAME_MAX -are not truncated, -but give an error. -This property may be dependent on the path prefix of the component. -.SS PIO - _POSIX_PRIORITIZED_IO - _SC_PRIORITIZED_IO -This option says that one can specify priorities for asynchronous I/O. -This affects the functions -.P -.nf -.in +4n -.IR aio_read () -.IR aio_write () -.in -.fi -.SS PS - _POSIX_PRIORITY_SCHEDULING - _SC_PRIORITY_SCHEDULING -The include file -.I <sched.h> -is present. -The following functions are present: -.P -.nf -.in +4n -.IR sched_get_priority_max () -.IR sched_get_priority_min () -.IR sched_getparam () -.IR sched_getscheduler () -.IR sched_rr_get_interval () -.IR sched_setparam () -.IR sched_setscheduler () -.IR sched_yield () -.in -.fi -.P -If also -.B _POSIX_SPAWN -is in effect, then the following functions are present: -.P -.nf -.in +4n -.IR posix_spawnattr_getschedparam () -.IR posix_spawnattr_getschedpolicy () -.IR posix_spawnattr_setschedparam () -.IR posix_spawnattr_setschedpolicy () -.in -.fi -.SS RS - _POSIX_RAW_SOCKETS -Raw sockets are supported. -The following functions are affected: -.P -.nf -.in +4n -.IR getsockopt () -.IR setsockopt () -.in -.fi -.SS --- - _POSIX_READER_WRITER_LOCKS - _SC_READER_WRITER_LOCKS -This option implies the -.B _POSIX_THREADS -option. -Conversely, -under POSIX.1-2001 the -.B _POSIX_THREADS -option implies this option. -.P -The following functions are present: -.P -.in +4n -.nf -.IR pthread_rwlock_destroy () -.IR pthread_rwlock_init () -.IR pthread_rwlock_rdlock () -.IR pthread_rwlock_tryrdlock () -.IR pthread_rwlock_trywrlock () -.IR pthread_rwlock_unlock () -.IR pthread_rwlock_wrlock () -.IR pthread_rwlockattr_destroy () -.IR pthread_rwlockattr_init () -.in -.fi -.SS RTS - _POSIX_REALTIME_SIGNALS - _SC_REALTIME_SIGNALS -Realtime signals are supported. -The following functions are present: -.P -.nf -.in +4n -.IR sigqueue () -.IR sigtimedwait () -.IR sigwaitinfo () -.in -.fi -.SS --- - _POSIX_REGEXP - _SC_REGEXP -If this option is in effect (as it always is under POSIX.1-2001), -then POSIX regular expressions are supported -and the following functions are present: -.P -.nf -.in +4n -.IR regcomp () -.IR regerror () -.IR regexec () -.IR regfree () -.in -.fi -.SS --- - _POSIX_SAVED_IDS - _SC_SAVED_IDS -If this option is in effect (as it always is under POSIX.1-2001), -then a process has a saved set-user-ID and a saved set-group-ID. -The following functions are affected: -.P -.nf -.in +4n -.IR exec () -.IR kill () -.IR seteuid () -.IR setegid () -.IR setgid () -.IR setuid () -.in -.fi -.\" .SS SD -.\" Software development -.SS SEM - _POSIX_SEMAPHORES - _SC_SEMAPHORES -The include file -.I <semaphore.h> -is present. -The following functions are present: -.P -.nf -.in +4n -.IR sem_close () -.IR sem_destroy () -.IR sem_getvalue () -.IR sem_init () -.IR sem_open () -.IR sem_post () -.IR sem_trywait () -.IR sem_unlink () -.IR sem_wait () -.in -.fi -.SS SHM - _POSIX_SHARED_MEMORY_OBJECTS - _SC_SHARED_MEMORY_OBJECTS -The following functions are present: -.P -.nf -.in +4n -.IR mmap () -.IR munmap () -.IR shm_open () -.IR shm_unlink () -.in -.fi -.SS --- - _POSIX_SHELL - _SC_SHELL -If this option is in effect (as it always is under POSIX.1-2001), -the function -.IR system () -is present. -.SS SPN - _POSIX_SPAWN - _SC_SPAWN -This option describes support for process creation in a context where -it is difficult or impossible to use -.IR fork (), -for example, because no MMU is present. -.P -If -.B _POSIX_SPAWN -is in effect, then the include file -.I <spawn.h> -and the following functions are present: -.P -.nf -.in +4n -.IR posix_spawn () -.IR posix_spawn_file_actions_addclose () -.IR posix_spawn_file_actions_adddup2 () -.IR posix_spawn_file_actions_addopen () -.IR posix_spawn_file_actions_destroy () -.IR posix_spawn_file_actions_init () -.IR posix_spawnattr_destroy () -.IR posix_spawnattr_getsigdefault () -.IR posix_spawnattr_getflags () -.IR posix_spawnattr_getpgroup () -.IR posix_spawnattr_getsigmask () -.IR posix_spawnattr_init () -.IR posix_spawnattr_setsigdefault () -.IR posix_spawnattr_setflags () -.IR posix_spawnattr_setpgroup () -.IR posix_spawnattr_setsigmask () -.IR posix_spawnp () -.in -.fi -.P -If also -.B _POSIX_PRIORITY_SCHEDULING -is in effect, then -the following functions are present: -.P -.nf -.in +4n -.IR posix_spawnattr_getschedparam () -.IR posix_spawnattr_getschedpolicy () -.IR posix_spawnattr_setschedparam () -.IR posix_spawnattr_setschedpolicy () -.in -.fi -.SS SPI - _POSIX_SPIN_LOCKS - _SC_SPIN_LOCKS -This option implies the -.B _POSIX_THREADS -and -.B _POSIX_THREAD_SAFE_FUNCTIONS -options. -The following functions are present: -.P -.nf -.in +4n -.IR pthread_spin_destroy () -.IR pthread_spin_init () -.IR pthread_spin_lock () -.IR pthread_spin_trylock () -.IR pthread_spin_unlock () -.in -4n -.fi -.SS SS - _POSIX_SPORADIC_SERVER - _SC_SPORADIC_SERVER -The scheduling policy -.B SCHED_SPORADIC -is supported. -This option implies the -.B _POSIX_PRIORITY_SCHEDULING -option. -The following functions are affected: -.P -.nf -.in +4n -.IR sched_setparam () -.IR sched_setscheduler () -.in -.fi -.SS SIO - _POSIX_SYNCHRONIZED_IO - _SC_SYNCHRONIZED_IO -The following functions are affected: -.P -.nf -.in +4n -.IR open () -.IR msync () -.IR fsync () -.IR fdatasync () -.in -.fi -.SS TSA - _POSIX_THREAD_ATTR_STACKADDR - _SC_THREAD_ATTR_STACKADDR -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_attr_getstack () -.IR pthread_attr_getstackaddr () -.IR pthread_attr_setstack () -.IR pthread_attr_setstackaddr () -.in -.fi -.SS TSS - _POSIX_THREAD_ATTR_STACKSIZE - _SC_THREAD_ATTR_STACKSIZE -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_attr_getstack () -.IR pthread_attr_getstacksize () -.IR pthread_attr_setstack () -.IR pthread_attr_setstacksize () -.in -.fi -.SS TCT - _POSIX_THREAD_CPUTIME - _SC_THREAD_CPUTIME -The clockID CLOCK_THREAD_CPUTIME_ID is supported. -This option implies the -.B _POSIX_TIMERS -option. -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_getcpuclockid () -.IR clock_getres () -.IR clock_gettime () -.IR clock_settime () -.IR timer_create () -.in -.fi -.SS TPI - _POSIX_THREAD_PRIO_INHERIT - _SC_THREAD_PRIO_INHERIT -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_mutexattr_getprotocol () -.IR pthread_mutexattr_setprotocol () -.in -.fi -.SS TPP - _POSIX_THREAD_PRIO_PROTECT - _SC_THREAD_PRIO_PROTECT -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_mutex_getprioceiling () -.IR pthread_mutex_setprioceiling () -.IR pthread_mutexattr_getprioceiling () -.IR pthread_mutexattr_getprotocol () -.IR pthread_mutexattr_setprioceiling () -.IR pthread_mutexattr_setprotocol () -.in -.fi -.SS TPS - _POSIX_THREAD_PRIORITY_SCHEDULING - _SC_THREAD_PRIORITY_SCHEDULING -If this option is in effect, the different threads inside a process -can run with different priorities and/or different schedulers. -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_attr_getinheritsched () -.IR pthread_attr_getschedpolicy () -.IR pthread_attr_getscope () -.IR pthread_attr_setinheritsched () -.IR pthread_attr_setschedpolicy () -.IR pthread_attr_setscope () -.IR pthread_getschedparam () -.IR pthread_setschedparam () -.IR pthread_setschedprio () -.in -.fi -.SS TSH - _POSIX_THREAD_PROCESS_SHARED - _SC_THREAD_PROCESS_SHARED -The following functions are affected: -.P -.nf -.in +4n -.IR pthread_barrierattr_getpshared () -.IR pthread_barrierattr_setpshared () -.IR pthread_condattr_getpshared () -.IR pthread_condattr_setpshared () -.IR pthread_mutexattr_getpshared () -.IR pthread_mutexattr_setpshared () -.IR pthread_rwlockattr_getpshared () -.IR pthread_rwlockattr_setpshared () -.in -.fi -.SS TSF - _POSIX_THREAD_SAFE_FUNCTIONS - _SC_THREAD_SAFE_FUNCTIONS -The following functions are affected: -.P -.nf -.in +4n -.IR readdir_r () -.IR getgrgid_r () -.IR getgrnam_r () -.IR getpwnam_r () -.IR getpwuid_r () -.IR flockfile () -.IR ftrylockfile () -.IR funlockfile () -.IR getc_unlocked () -.IR getchar_unlocked () -.IR putc_unlocked () -.IR putchar_unlocked () -.IR rand_r () -.IR strerror_r () -.IR strtok_r () -.IR asctime_r () -.IR ctime_r () -.IR gmtime_r () -.IR localtime_r () -.in -.fi -.SS TSP - _POSIX_THREAD_SPORADIC_SERVER - _SC_THREAD_SPORADIC_SERVER -This option implies the -.B _POSIX_THREAD_PRIORITY_SCHEDULING -option. -The following functions are affected: -.P -.nf -.in +4n -.IR sched_getparam () -.IR sched_setparam () -.IR sched_setscheduler () -.in -.fi -.SS THR - _POSIX_THREADS - _SC_THREADS -Basic support for POSIX threads is available. -The following functions are present: -.P -.nf -.in +4n -.IR pthread_atfork () -.IR pthread_attr_destroy () -.IR pthread_attr_getdetachstate () -.IR pthread_attr_getschedparam () -.IR pthread_attr_init () -.IR pthread_attr_setdetachstate () -.IR pthread_attr_setschedparam () -.IR pthread_cancel () -.IR pthread_cleanup_push () -.IR pthread_cleanup_pop () -.IR pthread_cond_broadcast () -.IR pthread_cond_destroy () -.IR pthread_cond_init () -.IR pthread_cond_signal () -.IR pthread_cond_timedwait () -.IR pthread_cond_wait () -.IR pthread_condattr_destroy () -.IR pthread_condattr_init () -.IR pthread_create () -.IR pthread_detach () -.IR pthread_equal () -.IR pthread_exit () -.IR pthread_getspecific () -.IR pthread_join () -.IR pthread_key_create () -.IR pthread_key_delete () -.IR pthread_mutex_destroy () -.IR pthread_mutex_init () -.IR pthread_mutex_lock () -.IR pthread_mutex_trylock () -.IR pthread_mutex_unlock () -.IR pthread_mutexattr_destroy () -.IR pthread_mutexattr_init () -.IR pthread_once () -.IR pthread_rwlock_destroy () -.IR pthread_rwlock_init () -.IR pthread_rwlock_rdlock () -.IR pthread_rwlock_tryrdlock () -.IR pthread_rwlock_trywrlock () -.IR pthread_rwlock_unlock () -.IR pthread_rwlock_wrlock () -.IR pthread_rwlockattr_destroy () -.IR pthread_rwlockattr_init () -.IR pthread_self () -.IR pthread_setcancelstate () -.IR pthread_setcanceltype () -.IR pthread_setspecific () -.IR pthread_testcancel () -.in -.fi -.SS TMO - _POSIX_TIMEOUTS - _SC_TIMEOUTS -The following functions are present: -.P -.nf -.in +4n -.IR mq_timedreceive () -.IR mq_timedsend () -.IR pthread_mutex_timedlock () -.IR pthread_rwlock_timedrdlock () -.IR pthread_rwlock_timedwrlock () -.IR sem_timedwait () -.IR posix_trace_timedgetnext_event () -.in -.fi -.SS TMR - _POSIX_TIMERS - _SC_TIMERS -The following functions are present: -.P -.nf -.in +4n -.IR clock_getres () -.IR clock_gettime () -.IR clock_settime () -.IR nanosleep () -.IR timer_create () -.IR timer_delete () -.IR timer_gettime () -.IR timer_getoverrun () -.IR timer_settime () -.in -.fi -.SS TRC - _POSIX_TRACE - _SC_TRACE -POSIX tracing is available. -The following functions are present: -.P -.nf -.in +4n -.IR posix_trace_attr_destroy () -.IR posix_trace_attr_getclockres () -.IR posix_trace_attr_getcreatetime () -.IR posix_trace_attr_getgenversion () -.IR posix_trace_attr_getmaxdatasize () -.IR posix_trace_attr_getmaxsystemeventsize () -.IR posix_trace_attr_getmaxusereventsize () -.IR posix_trace_attr_getname () -.IR posix_trace_attr_getstreamfullpolicy () -.IR posix_trace_attr_getstreamsize () -.IR posix_trace_attr_init () -.IR posix_trace_attr_setmaxdatasize () -.IR posix_trace_attr_setname () -.IR posix_trace_attr_setstreamsize () -.IR posix_trace_attr_setstreamfullpolicy () -.IR posix_trace_clear () -.IR posix_trace_create () -.IR posix_trace_event () -.IR posix_trace_eventid_equal () -.IR posix_trace_eventid_get_name () -.IR posix_trace_eventid_open () -.IR posix_trace_eventtypelist_getnext_id () -.IR posix_trace_eventtypelist_rewind () -.IR posix_trace_flush () -.IR posix_trace_get_attr () -.IR posix_trace_get_status () -.IR posix_trace_getnext_event () -.IR posix_trace_shutdown () -.IR posix_trace_start () -.IR posix_trace_stop () -.IR posix_trace_trygetnext_event () -.in -.fi -.SS TEF - _POSIX_TRACE_EVENT_FILTER - _SC_TRACE_EVENT_FILTER -This option implies the -.B _POSIX_TRACE -option. -The following functions are present: -.P -.nf -.in +4n -.IR posix_trace_eventset_add () -.IR posix_trace_eventset_del () -.IR posix_trace_eventset_empty () -.IR posix_trace_eventset_fill () -.IR posix_trace_eventset_ismember () -.IR posix_trace_get_filter () -.IR posix_trace_set_filter () -.IR posix_trace_trid_eventid_open () -.in -.fi -.SS TRI - _POSIX_TRACE_INHERIT - _SC_TRACE_INHERIT -Tracing children of the traced process is supported. -This option implies the -.B _POSIX_TRACE -option. -The following functions are present: -.P -.nf -.in +4n -.IR posix_trace_attr_getinherited () -.IR posix_trace_attr_setinherited () -.in -.fi -.SS TRL - _POSIX_TRACE_LOG - _SC_TRACE_LOG -This option implies the -.B _POSIX_TRACE -option. -The following functions are present: -.P -.nf -.in +4n -.IR posix_trace_attr_getlogfullpolicy () -.IR posix_trace_attr_getlogsize () -.IR posix_trace_attr_setlogfullpolicy () -.IR posix_trace_attr_setlogsize () -.IR posix_trace_close () -.IR posix_trace_create_withlog () -.IR posix_trace_open () -.IR posix_trace_rewind () -.in -.fi -.SS TYM - _POSIX_TYPED_MEMORY_OBJECTS - _SC_TYPED_MEMORY_OBJECT -The following functions are present: -.P -.nf -.in +4n -.IR posix_mem_offset () -.IR posix_typed_mem_get_info () -.IR posix_typed_mem_open () -.in -.fi -.SS --- - _POSIX_VDISABLE -Always present (probably 0). -Value to set a changeable special control -character to indicate that it is disabled. -.SH X/OPEN SYSTEM INTERFACE EXTENSIONS -.SS XSI - _XOPEN_CRYPT - _SC_XOPEN_CRYPT -The following functions are present: -.P -.nf -.in +4n -.IR crypt () -.IR encrypt () -.IR setkey () -.fi -.SS XSI - _XOPEN_REALTIME - _SC_XOPEN_REALTIME -This option implies the following options: -.P -.PD 0 -.TP -.BR _POSIX_ASYNCHRONOUS_IO == 200112L -.TP -.B _POSIX_FSYNC -.TP -.B _POSIX_MAPPED_FILES -.TP -.BR _POSIX_MEMLOCK == 200112L -.TP -.BR _POSIX_MEMLOCK_RANGE == 200112L -.TP -.B _POSIX_MEMORY_PROTECTION -.TP -.BR _POSIX_MESSAGE_PASSING == 200112L -.TP -.B _POSIX_PRIORITIZED_IO -.TP -.BR _POSIX_PRIORITY_SCHEDULING == 200112L -.TP -.BR _POSIX_REALTIME_SIGNALS == 200112L -.TP -.BR _POSIX_SEMAPHORES == 200112L -.TP -.BR _POSIX_SHARED_MEMORY_OBJECTS == 200112L -.TP -.BR _POSIX_SYNCHRONIZED_IO == 200112L -.TP -.BR _POSIX_TIMERS == 200112L -.PD -.\" -.SS ADV - --- - --- -The Advanced Realtime option group implies that the following options -are all defined to 200112L: -.P -.PD 0 -.TP -.B _POSIX_ADVISORY_INFO -.TP -.B _POSIX_CLOCK_SELECTION -(implies -.BR _POSIX_TIMERS ) -.TP -.B _POSIX_CPUTIME -(implies -.BR _POSIX_TIMERS ) -.TP -.B _POSIX_MONOTONIC_CLOCK -(implies -.BR _POSIX_TIMERS ) -.TP -.B _POSIX_SPAWN -.TP -.B _POSIX_SPORADIC_SERVER -(implies -.BR _POSIX_PRIORITY_SCHEDULING ) -.TP -.B _POSIX_TIMEOUTS -.TP -.B _POSIX_TYPED_MEMORY_OBJECTS -.PD -.\" -.SS XSI - _XOPEN_REALTIME_THREADS - _SC_XOPEN_REALTIME_THREADS -This option implies that the following options -are all defined to 200112L: -.P -.PD 0 -.TP -.B _POSIX_THREAD_PRIO_INHERIT -.TP -.B _POSIX_THREAD_PRIO_PROTECT -.TP -.B _POSIX_THREAD_PRIORITY_SCHEDULING -.PD -.SS ADVANCED REALTIME THREADS - --- - --- -This option implies that the following options -are all defined to 200112L: -.P -.PD 0 -.TP -.B _POSIX_BARRIERS -(implies -.BR _POSIX_THREADS , -.BR _POSIX_THREAD_SAFE_FUNCTIONS ) -.TP -.B _POSIX_SPIN_LOCKS -(implies -.BR _POSIX_THREADS , -.BR _POSIX_THREAD_SAFE_FUNCTIONS ) -.TP -.B _POSIX_THREAD_CPUTIME -(implies -.BR _POSIX_TIMERS ) -.TP -.B _POSIX_THREAD_SPORADIC_SERVER -(implies -.BR _POSIX_THREAD_PRIORITY_SCHEDULING ) -.PD -.\" -.SS TRACING - --- - --- -This option implies that the following options -are all defined to 200112L: -.P -.PD 0 -.TP -.B _POSIX_TRACE -.TP -.B _POSIX_TRACE_EVENT_FILTER -.TP -.B _POSIX_TRACE_LOG -.TP -.B _POSIX_TRACE_INHERIT -.PD -.SS STREAMS - _XOPEN_STREAMS - _SC_XOPEN_STREAMS -The following functions are present: -.P -.nf -.in +4n -.IR fattach () -.IR fdetach () -.IR getmsg () -.IR getpmsg () -.IR ioctl () -.IR isastream () -.IR putmsg () -.IR putpmsg () -.in -.fi -.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: -.P -.nf -.in +4n -.IR bcmp () -.IR bcopy () -.IR bzero () -.IR ecvt () -.IR fcvt () -.IR ftime () -.IR gcvt () -.IR getwd () -.IR index () -.IR mktemp () -.IR rindex () -.IR utimes () -.IR wcswcs () -.in -.fi -.SS XSI - _XOPEN_UNIX - _SC_XOPEN_UNIX -The following functions are present: -.P -.nf -.in +4n -.IR mmap () -.IR munmap () -.IR msync () -.in -.fi -.P -This option implies the following options: -.P -.PD 0 -.TP -.B _POSIX_FSYNC -.TP -.B _POSIX_MAPPED_FILES -.TP -.B _POSIX_MEMORY_PROTECTION -.TP -.B _POSIX_THREAD_ATTR_STACKADDR -.TP -.B _POSIX_THREAD_ATTR_STACKSIZE -.TP -.B _POSIX_THREAD_PROCESS_SHARED -.TP -.B _POSIX_THREAD_SAFE_FUNCTIONS -.TP -.B _POSIX_THREADS -.PD -.P -This option may imply the following options from the XSI option groups: -.P -.PD 0 -.TP -.RB "Encryption (" _XOPEN_CRYPT ) -.TP -.RB "Realtime (" _XOPEN_REALTIME ) -.TP -.RB "Advanced Realtime (" ADB ) -.TP -.RB "Realtime Threads (" _XOPEN_REALTIME_THREADS ) -.TP -.RB "Advanced Realtime Threads (" "ADVANCED REALTIME THREADS" ) -.TP -.RB "Tracing (" TRACING ) -.TP -.RB "XSI Streams (" STREAMS ) -.TP -.RB "Legacy (" _XOPEN_LEGACY ) -.PD -.SH SEE ALSO -.BR sysconf (3), -.BR standards (7) |