clock_getres man page on YellowDog

clock_getres man page on YellowDog

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CLOCK_GETRES(2)		   Linux Programmer's Manual	       CLOCK_GETRES(2)

NAME
       clock_getres - Get the resolution of any clock

SYNOPSIS
       long sys_clock_getres (clockid_t which_clock, struct timespec *tp);

DESCRIPTION
       clock_gettime  gets  the	 resolution  of	 any  clock  specified	by the
       which_clock parameter, and places this information in the struct	 time‐
       spec pointed to by tp. The values that clockid_t currently supports for
       POSIX.1b timers, as defined in include/linux/time.h, are:

       CLOCK_REALTIME
	      Systemwide realtime clock.

       CLOCK_MONOTONIC
	      Represents monotonic time. Cannot be set.

       CLOCK_PROCESS_CPUTIME_ID
	      High resolution per-process timer.

       CLOCK_THREAD_CPUTIME_ID
	      Thread-specific timer.

       CLOCK_REALTIME_HR
	      High resolution version of CLOCK_REALTIME.

       CLOCK_MONOTONIC_HR
	      High resolution version of CLOCK_MONOTONIC.

RETURN VALUE
       clock_gettime returns 0 on success; otherwise, it returns  one  of  the
       errors listed in the "Errors" section.

ERRORS
       -EINVAL
	      An invalid which_clock value was specified.

       -EFAULT
	      An invalid tp value was specified.

SEE ALSO
       clock_gettext(2), clock_nanosleep(2), clock_settime(2)

AUTHOR
       Niki Rahimi

Linux 2.6			  2004-03-12		       CLOCK_GETRES(2)

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