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Command: clock_getres | Section: 3 | Source: Digital UNIX | File: clock_getres.3.gz
clock_getres(3) Library Functions Manual clock_getres(3)
NAME
clock_getres - Get the resolution for the specified clock (P1003.1b)
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 speci-
fied clock. If the res argument is NULL, the clock resolution is not
returned.
RETURN VALUES
On a successful call, a value of 0 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) delim off
clock_getres(3)