Subject: Re: O_ASYNC on ttys
To: None <mouse@Rodents.Montreal.QC.CA, email@example.com>
From: None <firstname.lastname@example.org>
Date: 07/07/2001 18:51:05
I have a program that wants to be woken up at 240Hz. Since I'm doing
this on a SPARC, whose clock interrupts at only 100Hz, I connected a
loopback connector to one of the serial lines, set it to 2400bps, and
then started dumping characters at it. Of course, they came back at
240Hz, just as I wanted.
I'm surprized that works. Are you sure you're getting 240Hz wakeups?
Anyway, it might be more profitable in the long run to increase the