clock_getres(3) 					     Library Functions Manual						   clock_getres(3)

NAME

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

LIBRARY

       Realtime Library (librt.so, librt.a)

SYNOPSIS

       #include <time.h>

       int clock_getres (
       clockid_t clock_id,
       struct timespec *res);

PARAMETERS

       clock_id    The	clock  type used to obtain the resolution.  The CLOCK_REALTIME clock is supported and represents the TIME-OF-DAY clock for
		   the system.

       *res	   A pointer to the timespec data structure that receives the value of the clock's resolution.

DESCRIPTION

       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

       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

       The clock_getres function fails under the following condition:

       [EINVAL]       The clock_id argument does not specify a known clock.

RELATED INFORMATION

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

       Guide to Realtime Programming delim off

																   clock_getres(3)