"Simon J. Gerraty" <sjg@quick.com.au> writes:

> >Adding a general purpose timer allocation method (allocitimer, then
> >sigaction and setitimer):
> 
> Is this the option that involved modifying struct sigaction?
> While it probably wouldn't break my libsig or any other code, 
> I'd still be happier if we could leave that one alone.

No.  You'd do this sort of thing:

	struct itimerinfo iti;

	ret = allocitimer(ITIMER_VIRTUALTIME, &iti);
	if (ret < 0)
		errx(1, "allocitimer failed");

	/*
	 * iti.itimer is the itimer number to use, and iti.signal is
	 * the signal it will generate on expiration.
	 */

	...

--Michael