.\" Copyright (c) 1986, 1991 Regents of the University of California.
.\" %sccs.include.redist.man%
.\" @(#)ualarm.3 6.5 (Berkeley) %G%
.Nd schedule signal after specified time
.Fn ualarm "u_int microseconds" "u_int interval"
This is a simplified interface to setitimer(2).
before asserting the terminating signal
System activity or time used in processing the call may cause a slight
argument is non-zero, the
microseconds after the timer expires (e.g. after
microseconds have passed).
When the signal has successfully been caught,
returns the amount of time left on the clock.