POSIX PSE51 - Minimal

8. POSIX PSE51 - Minimal#

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 PSE51 - Minimal standard:

Support

Amount

Supported

282

ENOSYS

2

Not supported

1

8.1. <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()

8.2. <errno.h>#

The following methods and variables in <errno.h> are supported:

  • errno

8.3. <fcntl.h>#

The following methods and variables in <fcntl.h> are supported:

  • open()

8.4. <fenv.h>#

The following methods and variables in <fenv.h> are supported:

  • feclearexcept()

  • fegetenv()

  • fegetexceptflag()

  • fegetround()

  • feholdexcept()

  • feraiseexcept()

  • fesetenv()

  • fesetexceptflag()

  • fesetround()

  • fetestexcept()

  • feupdateenv()

8.5. <inttypes.h>#

The following methods and variables in <inttypes.h> are supported:

  • imaxabs()

  • imaxdiv()

  • strtoimax()

  • strtoumax()

8.6. <locale.h>#

The following methods and variables in <locale.h> are supported:

  • localeconv()

  • setlocale()

8.7. <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_init()

  • pthread_condattr_setclock()

  • 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_gettype()

  • pthread_mutexattr_init()

  • pthread_mutexattr_setprioceiling()

  • pthread_mutexattr_setprotocol()

  • 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()

8.8. <sched.h>#

The following methods and variables in <sched.h> are supported:

  • sched_get_priority_max()

  • sched_get_priority_min()

  • sched_rr_get_interval()

8.9. <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()

8.10. <setjmp.h>#

The following methods and variables in <setjmp.h> are supported:

  • longjmp()

  • setjmp()

8.11. <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()

8.12. <stdarg.h>#

The following methods and variables in <stdarg.h> are supported:

  • va_arg()

  • va_copy()

  • va_end()

  • va_start()

8.13. <stddef.h>#

The following methods and variables in <stddef.h> are supported:

  • offsetof()

8.14. <stdio.h>#

The following methods and variables in <stdio.h> are supported:

  • clearerr()

  • fclose()

  • fdopen()

  • feof()

  • ferror()

  • fflush()

  • fgetc()

  • fgets()

  • fileno()

  • flockfile()

  • fopen()

  • fprintf()

  • fputc()

  • fputs()

  • fread()

  • freopen()

  • fscanf()

  • ftrylockfile()

  • funlockfile()

  • fwrite()

  • getc()

  • getc_unlocked()

  • getchar()

  • getchar_unlocked()

  • gets()

  • perror()

  • printf()

  • putc()

  • putc_unlocked()

  • putchar()

  • putchar_unlocked()

  • puts()

  • scanf()

  • setbuf()

  • setvbuf()

  • snprintf()

  • sprintf()

  • sscanf()

  • stderr

  • stdin

  • stdout

  • ungetc()

  • vfprintf()

  • vfscanf()

  • vprintf()

  • vscanf()

  • vsnprintf()

  • vsprintf()

  • vsscanf()

8.15. <stdlib.h>#

The following methods and variables in <stdlib.h> are supported:

  • abort()

  • abs()

  • atof()

  • atoi()

  • atol()

  • atoll()

  • bsearch()

  • calloc()

  • div()

  • free()

  • getenv()

  • labs()

  • ldiv()

  • llabs()

  • lldiv()

  • malloc()

  • qsort()

  • rand()

  • rand_r()

  • realloc()

  • setenv()

  • srand()

  • strtod()

  • strtof()

  • strtol()

  • strtold()

  • strtoll()

  • strtoul()

  • strtoull()

  • unsetenv()

8.16. <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()

8.17. <sys/mman.h>#

The following methods and variables in <sys/mman.h> are supported:

  • mlock()

  • mlockall()

  • mmap()

  • munlock()

  • munmap()

  • shm_open()

  • shm_unlink()

8.18. <sys/utsname.h>#

The following methods and variables in <sys/utsname.h> are supported:

  • uname()

8.19. <time.h>#

The following methods and variables in <time.h> are supported:

  • asctime()

  • asctime_r()

  • 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()

8.20. <unistd.h>#

The following methods and variables in <unistd.h> are supported:

  • alarm()

  • close()

  • environ

  • fdatasync()

  • fsync()

  • pause()

  • read()

  • sysconf()

  • write()

The following methods and variables in <unistd.h> are not supported:

  • confstr()