NAME    [Toc]    [Back]

       clock_getres - Gets the resolution for the specified clock
       (P1003.1b)

SYNOPSIS    [Toc]    [Back]

       #include <time.h> int clock_getres (  clockid_t  clock_id,
       struct timespec *res);

LIBRARY    [Toc]    [Back]

       Realtime Library (librt.so, librt.a)

PARAMETERS    [Toc]    [Back]

       The   clock  type  used  to  obtain  the  resolution.  The
       CLOCK_REALTIME clock is supported and represents the TIMEOF-DAY
  clock  for  the system.  A pointer to the timespec
       data structure that receives the value of the clock's resolution.

DESCRIPTION    [Toc]    [Back]

       The clock_getres function returns the resolution value for
       the specified clock. If the  res  argument  is  NULL,  the
       clock resolution is not returned.

RETURN VALUES    [Toc]    [Back]

       On a successful call, a value of 0 (zero) is returned.

       On  an  unsuccessful  call,  a value of -1 is returned and
       errno is set to indicate that an error occurred.

ERRORS    [Toc]    [Back]

       The clock_getres function fails under the following condition:
  The  clock_id  argument  does  not  specify a known
       clock.

SEE ALSO    [Toc]    [Back]

       Functions: time(1), ctime(3), timer_settime(3)

       Guide to Realtime Programming



                                                  clock_getres(3)