Subject: Re: Setitimer ?
To: Riaz Randeree <>
From: Bill Studenmund <>
List: tech-kern
Date: 03/11/1999 10:58:03
On Thu, 11 Mar 1999, Riaz Randeree wrote:

> Hello,
> I have NetBSD 1.3.2 for i386, and the call to setitimer
> fails with EINVAL.
> Looking at file: sys/kern/kern_time.c,
> a function itimerfix is called and if tv_sec > 100 000 000
> (3/3/1973) it fails.
> So I set the time to the 0th hour and
> setitimer(ITIMER_REAL...) works.
> Does setitimer work with today's date?
> Could someone please provide me with a sample?

The problem here is that setitimer is trying to set a count-down timer,
not a time-of-day timer. So tv_sec is not the current time, but how many
seconds should elapse before the timer trips.

> All I want is similarly functionality as the POSIX
> timer_settime.

Unfortunatly I don't know what timer_settime does, so I can't help. :-(

There is at least a manpage on setitimer, which seems to explain what it
tries to do.

Take care,