## NAME

time, uptime - get time

## SYNOPSIS

#include <sys/types.h>
#include <time.h>

time_t time(time_t *tloc);
time_t uptime(time_t *tloc);

Callable from ISR.

## DESCRIPTION

time() returns the value of time in seconds since the Epoch (00:00:00 UTC, January 1, 1970).

uptime() returns the value of time in seconds since the system start-up time.

If tloc is non-zero, the return value is also stored in the location to which tloc points.

## RETURN VALUES

Upon successful completion, functions return the value of time. Otherwise, a value of (time_t)-1 is returned.

## ERRORS

No errors are defined.

## NOTES

These functions fail and its actions are undefined if tloc points to an illegal address.

uptime() is not POSIX function.

#### Home page (Kernel)

## < Copyright Rowebots Research Inc. and Multiprocessor Toolsmiths Inc. 1987-2018 >