10. POSIX PSE53 - Dedicated#
This chapter has a subsection per header file to detail the methods provided by RTEMS that are in that header file.
The follow table summarizes alignment with the POSIX PSE53 - Dedicated standard:
Support |
Amount |
---|---|
Supported |
661 |
ENOSYS |
15 |
Not supported |
75 |
10.1. <aio.h>
#
The following methods and variables in <aio.h>
are supported:
aio_cancel()
aio_error()
aio_fsync()
aio_read()
aio_return()
aio_write()
lio_listio()
The following methods in <aio.h>
are implemented as
stubs returning -1
and setting errno
to ENOSYS
:
aio_suspend()
10.2. <arpa/inet.h>
#
The following methods and variables in <arpa/inet.h>
are supported:
htonl()
htons()
inet_addr()
inet_ntoa()
inet_ntop()
inet_pton()
ntohl()
ntohs()
10.3. <assert.h>
#
The following methods and variables in <assert.h>
are supported:
assert()
10.4. <complex.h>
#
The following methods and variables in <complex.h>
are supported:
cabs()
cabsf()
cabsl()
cacos()
cacosf()
cacosh()
cacoshf()
cacoshl()
cacosl()
carg()
cargf()
cargl()
casin()
casinf()
casinh()
casinhf()
casinhl()
casinl()
catan()
catanf()
catanh()
catanhf()
catanhl()
catanl()
ccos()
ccosf()
ccosh()
ccoshf()
ccoshl()
ccosl()
cexp()
cexpf()
cexpl()
cimag()
cimagf()
cimagl()
clog()
clogf()
clogl()
conj()
conjf()
conjl()
cpow()
cpowf()
cpowl()
cproj()
cprojf()
cprojl()
creal()
crealf()
creall()
csin()
csinf()
csinh()
csinhf()
csinhl()
csinl()
csqrt()
csqrtf()
csqrtl()
ctan()
ctanf()
ctanh()
ctanhf()
ctanhl()
ctanl()
10.5. <ctype.h>
#
The following methods and variables in <ctype.h>
are supported:
isalnum()
isalpha()
isblank()
iscntrl()
isdigit()
isgraph()
islower()
isprint()
ispunct()
isspace()
isupper()
isxdigit()
tolower()
toupper()
10.6. <dirent.h>
#
The following methods and variables in <dirent.h>
are supported:
closedir()
opendir()
readdir()
readdir_r()
rewinddir()
10.7. <errno.h>
#
The following methods and variables in <errno.h>
are supported:
errno
10.8. <fcntl.h>
#
The following methods and variables in <fcntl.h>
are supported:
creat()
fcntl()
open()
10.9. <fenv.h>
#
The following methods and variables in <fenv.h>
are supported:
feclearexcept()
fegetenv()
fegetexceptflag()
fegetround()
feholdexcept()
feraiseexcept()
fesetenv()
fesetexceptflag()
fesetround()
fetestexcept()
feupdateenv()
10.10. <inttypes.h>
#
The following methods and variables in <inttypes.h>
are supported:
imaxabs()
imaxdiv()
strtoimax()
strtoumax()
10.11. <locale.h>
#
The following methods and variables in <locale.h>
are supported:
localeconv()
setlocale()
10.12. <math.h>
#
The following methods and variables in <math.h>
are supported:
acos()
acosf()
acosh()
acoshf()
acoshl()
acosl()
asin()
asinf()
asinh()
asinhf()
asinhl()
asinl()
atan()
atan2()
atan2f()
atan2l()
atanf()
atanh()
atanhf()
atanhl()
atanl()
cbrt()
cbrtf()
cbrtl()
ceil()
ceilf()
ceill()
copysign()
copysignf()
copysignl()
cos()
cosf()
cosh()
coshf()
coshl()
cosl()
erf()
erfc()
erfcf()
erfcl()
erff()
erfl()
exp()
exp2()
exp2f()
exp2l()
expf()
expl()
expm1()
expm1f()
expm1l()
fabs()
fabsf()
fabsl()
fdim()
fdimf()
fdiml()
floor()
floorf()
floorl()
fma()
fmaf()
fmal()
fmax()
fmaxf()
fmaxl()
fmin()
fminf()
fminl()
fmod()
fmodf()
fmodl()
fpclassify()
frexp()
frexpf()
frexpl()
hypot()
hypotf()
hypotl()
ilogb()
ilogbf()
ilogbl()
isfinite()
isgreater()
isgreaterequal()
isinf()
isless()
islessequal()
islessgreater()
isnan()
isnormal()
isunordered()
ldexp()
ldexpf()
ldexpl()
lgamma()
lgammaf()
lgammal()
llrint()
llrintf()
llrintl()
llround()
llroundf()
llroundl()
log()
log10()
log10f()
log10l()
log1p()
log1pf()
log1pl()
log2()
log2f()
log2l()
logb()
logbf()
logbl()
logf()
logl()
lrint()
lrintf()
lrintl()
lround()
lroundf()
lroundl()
modf()
modff()
modfl()
nan()
nanf()
nanl()
nearbyint()
nearbyintf()
nearbyintl()
nextafter()
nextafterf()
nextafterl()
nexttoward()
nexttowardf()
nexttowardl()
pow()
powf()
powl()
remainder()
remainderf()
remainderl()
remquo()
remquof()
remquol()
rint()
rintf()
rintl()
round()
roundf()
roundl()
scalbln()
scalblnf()
scalblnl()
scalbn()
scalbnf()
scalbnl()
sin()
sinf()
sinh()
sinhf()
sinhl()
sinl()
sqrt()
sqrtf()
sqrtl()
tan()
tanf()
tanh()
tanhf()
tanhl()
tanl()
tgamma()
tgammaf()
tgammal()
trunc()
truncf()
truncl()
The following methods and variables in <math.h>
are not supported:
signbit()
10.13. <mqueue.h>
#
The following methods and variables in <mqueue.h>
are supported:
mq_close()
mq_getattr()
mq_notify()
mq_open()
mq_receive()
mq_send()
mq_setattr()
mq_timedreceive()
mq_timedsend()
mq_unlink()
10.14. <net/if.h>
#
The following methods and variables in <net/if.h>
are supported:
if_freenameindex()
if_indextoname()
if_nameindex()
if_nametoindex()
10.15. <netdb.h>
#
The following methods and variables in <netdb.h>
are supported:
endhostent()
endnetent()
endprotoent()
endservent()
freeaddrinfo()
gai_strerror()
getaddrinfo()
gethostent()
getnameinfo()
getnetbyaddr()
getnetbyname()
getnetent()
getprotobyname()
getprotobynumber()
getprotoent()
getservbyname()
getservbyport()
getservent()
sethostent()
setnetent()
setprotoent()
setservent()
10.16. <pthread.h>
#
The following methods and variables in <pthread.h>
are supported:
pthread_attr_destroy()
pthread_attr_getdetachstate()
pthread_attr_getguardsize()
pthread_attr_getinheritsched()
pthread_attr_getschedparam()
pthread_attr_getschedpolicy()
pthread_attr_getscope()
pthread_attr_getstack()
pthread_attr_getstackaddr()
pthread_attr_getstacksize()
pthread_attr_init()
pthread_attr_setdetachstate()
pthread_attr_setguardsize()
pthread_attr_setinheritsched()
pthread_attr_setschedparam()
pthread_attr_setschedpolicy()
pthread_attr_setscope()
pthread_attr_setstack()
pthread_attr_setstackaddr()
pthread_attr_setstacksize()
pthread_cancel()
pthread_cleanup_pop()
pthread_cleanup_push()
pthread_cond_broadcast()
pthread_cond_destroy()
pthread_cond_init()
pthread_cond_signal()
pthread_cond_timedwait()
pthread_cond_wait()
pthread_condattr_destroy()
pthread_condattr_getclock()
pthread_condattr_getpshared()
pthread_condattr_init()
pthread_condattr_setclock()
pthread_condattr_setpshared()
pthread_create()
pthread_detach()
pthread_equal()
pthread_exit()
pthread_getconcurrency()
pthread_getschedparam()
pthread_getspecific()
pthread_join()
pthread_key_create()
pthread_key_delete()
pthread_mutex_destroy()
pthread_mutex_getprioceiling()
pthread_mutex_init()
pthread_mutex_lock()
pthread_mutex_setprioceiling()
pthread_mutex_trylock()
pthread_mutex_unlock()
pthread_mutexattr_destroy()
pthread_mutexattr_getprioceiling()
pthread_mutexattr_getprotocol()
pthread_mutexattr_getpshared()
pthread_mutexattr_gettype()
pthread_mutexattr_init()
pthread_mutexattr_setprioceiling()
pthread_mutexattr_setprotocol()
pthread_mutexattr_setpshared()
pthread_mutexattr_settype()
pthread_once()
pthread_self()
pthread_setcancelstate()
pthread_setcanceltype()
pthread_setconcurrency()
pthread_setschedparam()
pthread_setschedprio()
pthread_setspecific()
pthread_testcancel()
The following methods in <pthread.h>
are implemented as
stubs returning -1
and setting errno
to ENOSYS
:
pthread_atfork()
pthread_getcpuclockid()
10.17. <sched.h>
#
The following methods and variables in <sched.h>
are supported:
sched_get_priority_max()
sched_get_priority_min()
sched_rr_get_interval()
sched_yield()
The following methods in <sched.h>
are implemented as
stubs returning -1
and setting errno
to ENOSYS
:
sched_getparam()
sched_getscheduler()
sched_setparam()
sched_setscheduler()
10.18. <semaphore.h>
#
The following methods and variables in <semaphore.h>
are supported:
sem_close()
sem_destroy()
sem_getvalue()
sem_init()
sem_open()
sem_post()
sem_timedwait()
sem_trywait()
sem_unlink()
sem_wait()
10.19. <setjmp.h>
#
The following methods and variables in <setjmp.h>
are supported:
longjmp()
setjmp()
siglongjmp()
sigsetjmp()
10.20. <signal.h>
#
The following methods and variables in <signal.h>
are supported:
kill()
pthread_kill()
pthread_sigmask()
raise()
sigaction()
sigaddset()
sigdelset()
sigemptyset()
sigfillset()
sigismember()
signal()
sigpending()
sigprocmask()
sigqueue()
sigsuspend()
sigtimedwait()
sigwait()
sigwaitinfo()
10.21. <spawn.h>
#
The following methods and variables in <spawn.h>
are not supported:
posix_spawn()
posix_spawn_file_actions_addclose()
posix_spawn_file_actions_adddup2()
posix_spawn_file_actions_addopen()
posix_spawn_file_actions_destroy()
posix_spawn_file_actions_init()
posix_spawnattr_destroy()
posix_spawnattr_getflags()
posix_spawnattr_getpgroup()
posix_spawnattr_getschedparam()
posix_spawnattr_getschedpolicy()
posix_spawnattr_getsigdefault()
posix_spawnattr_getsigmask()
posix_spawnattr_init()
posix_spawnattr_setflags()
posix_spawnattr_setpgroup()
posix_spawnattr_setschedparam()
posix_spawnattr_setschedpolicy()
posix_spawnattr_setsigdefault()
posix_spawnattr_setsigmask()
posix_spawnp()
10.22. <stdarg.h>
#
The following methods and variables in <stdarg.h>
are supported:
va_arg()
va_copy()
va_end()
va_start()
10.23. <stddef.h>
#
The following methods and variables in <stddef.h>
are supported:
offsetof()
10.24. <stdio.h>
#
The following methods and variables in <stdio.h>
are supported:
clearerr()
fclose()
fdopen()
feof()
ferror()
fflush()
fgetc()
fgetpos()
fgets()
fileno()
flockfile()
fopen()
fprintf()
fputc()
fputs()
fread()
freopen()
fscanf()
fseek()
fseeko()
fsetpos()
ftell()
ftello()
ftrylockfile()
funlockfile()
fwrite()
getc()
getc_unlocked()
getchar()
getchar_unlocked()
gets()
perror()
printf()
putc()
putc_unlocked()
putchar()
putchar_unlocked()
puts()
remove()
rename()
rewind()
scanf()
setbuf()
setvbuf()
snprintf()
sprintf()
sscanf()
stderr
stdin
stdout
tmpfile()
tmpnam()
ungetc()
vfprintf()
vfscanf()
vprintf()
vscanf()
vsnprintf()
vsprintf()
vsscanf()
10.25. <stdlib.h>
#
The following methods and variables in <stdlib.h>
are supported:
_Exit()
abort()
abs()
atexit()
atof()
atoi()
atol()
atoll()
bsearch()
calloc()
div()
exit()
free()
getenv()
labs()
ldiv()
llabs()
lldiv()
malloc()
qsort()
rand()
rand_r()
realloc()
setenv()
srand()
strtod()
strtof()
strtol()
strtold()
strtoll()
strtoul()
strtoull()
unsetenv()
10.26. <string.h>
#
The following methods and variables in <string.h>
are supported:
memchr()
memcmp()
memcpy()
memmove()
memset()
strcat()
strchr()
strcmp()
strcoll()
strcpy()
strcspn()
strerror()
strerror_r()
strlen()
strncat()
strncmp()
strncpy()
strpbrk()
strrchr()
strspn()
strstr()
strtok()
strtok_r()
strxfrm()
10.27. <sys/mman.h>
#
The following methods and variables in <sys/mman.h>
are supported:
mlock()
mlockall()
mmap()
mprotect()
msync()
munlock()
munmap()
shm_open()
shm_unlink()
10.28. <sys/select.h>
#
The following methods and variables in <sys/select.h>
are supported:
FD_CLR()
FD_ISSET()
FD_SET()
FD_ZERO()
select()
The following methods and variables in <sys/select.h>
are not supported:
pselect()
10.29. <sys/socket.h>
#
The following methods and variables in <sys/socket.h>
are supported:
accept()
bind()
connect()
getpeername()
getsockname()
getsockopt()
listen()
recv()
recvfrom()
recvmsg()
send()
sendmsg()
sendto()
setsockopt()
shutdown()
socket()
socketpair()
The following methods and variables in <sys/socket.h>
are not supported:
sockatmark()
10.30. <sys/stat.h>
#
The following methods and variables in <sys/stat.h>
are supported:
fstat()
mkdir()
stat()
10.31. <sys/time.h>
#
The following methods and variables in <sys/time.h>
are supported:
times()
utimes()
10.32. <sys/utsname.h>
#
The following methods and variables in <sys/utsname.h>
are supported:
uname()
10.33. <sys/wait.h>
#
The following methods and variables in <sys/wait.h>
are supported:
wait()
10.34. <time.h>
#
The following methods and variables in <time.h>
are supported:
asctime()
asctime_r()
clock()
clock_getres()
clock_gettime()
clock_nanosleep()
clock_settime()
ctime()
ctime_r()
difftime()
gmtime()
gmtime_r()
localtime()
localtime_r()
mktime()
nanosleep()
strftime()
time()
timer_create()
timer_delete()
timer_getoverrun()
timer_gettime()
timer_settime()
tzname
tzset()
The following methods in <time.h>
are implemented as
stubs returning -1
and setting errno
to ENOSYS
:
clock_getcpuclockid()
10.35. <trace.h>
#
The following methods and variables in <trace.h>
are not supported:
posix_trace_attr_destroy()
posix_trace_attr_getclockres()
posix_trace_attr_getcreatetime()
posix_trace_attr_getgenversion()
posix_trace_attr_getinherited()
posix_trace_attr_getlogfullpolicy()
posix_trace_attr_getlogsize()
posix_trace_attr_getmaxdatasize()
posix_trace_attr_getmaxsystemeventsize()
posix_trace_attr_getmaxusereventsize()
posix_trace_attr_getname()
posix_trace_attr_getstreamfullpolicy()
posix_trace_attr_getstreamsize()
posix_trace_attr_init()
posix_trace_attr_setinherited()
posix_trace_attr_setlogfullpolicy()
posix_trace_attr_setlogsize()
posix_trace_attr_setmaxdatasize()
posix_trace_attr_setname()
posix_trace_attr_setstreamfullpolicy()
posix_trace_attr_setstreamsize()
posix_trace_clear()
posix_trace_close()
posix_trace_create()
posix_trace_create_withlog()
posix_trace_event()
posix_trace_eventid_equal()
posix_trace_eventid_get_name()
posix_trace_eventid_open()
posix_trace_eventset_add()
posix_trace_eventset_del()
posix_trace_eventset_empty()
posix_trace_eventset_fill()
posix_trace_eventset_ismember()
posix_trace_eventtypelist_getnext_id()
posix_trace_eventtypelist_rewind()
posix_trace_flush()
posix_trace_get_attr()
posix_trace_get_filter()
posix_trace_get_status()
posix_trace_getnext_event()
posix_trace_open()
posix_trace_rewind()
posix_trace_set_filter()
posix_trace_shutdown()
posix_trace_start()
posix_trace_stop()
posix_trace_timedgetnext_event()
posix_trace_trid_eventid_open()
posix_trace_trygetnext_event()
10.36. <unistd.h>
#
The following methods and variables in <unistd.h>
are supported:
_exit()
access()
alarm()
chdir()
close()
dup()
dup2()
environ
fdatasync()
fpathconf()
fsync()
ftruncate()
getcwd()
gethostname()
getpgrp()
getpid()
getppid()
link()
lseek()
pathconf()
pause()
pipe()
read()
rmdir()
sleep()
sysconf()
unlink()
write()
The following methods in <unistd.h>
are implemented as
stubs returning -1
and setting errno
to ENOSYS
:
execl()
execle()
execlp()
execv()
execve()
execvp()
fork()
The following methods and variables in <unistd.h>
are not supported:
confstr()
10.37. <utime.h>
#
The following methods and variables in <utime.h>
are supported:
utime()