sleep − suspends execution for an interval

integer itime
callsleep ( itime )

The subroutine causes the calling process to be suspended
for itime seconds.  The actual time can be up to 1 second
less than itime due to granularity in system timekeeping.

The and functions interact.  If is called after the process
is never called. The signal SIGALRM occurs at the lesser of
the remaining time or time.


sleep(3), alarm(3f), signal(3f)