Path: utzoo!utgpu!water!watmath!clyde!att-cb!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!mit-eddie!uw-beaver!cornell!rochester!udel!burdvax!bpa!cbmvax!bryce
From: bryce@cbmvax.uucp (Bryce Nesbitt - SOFTWARE)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Question on software interrupts
Message-ID: <3639@cbmvax.UUCP>
Date: 17 Apr 88 02:34:04 GMT
References: <8803140741.AA13378@cory.Berkeley.EDU>
Sender: bryce@cbmvax.UUCP
Reply-To: cbmvax!bryce@rutgers.EDU (Bryce Nesbitt)
Organization: Commodore Technology, West Chester, PA
Lines: 19

In article <> dillon@CORY.BERKELEY.EDU (Matt Dillon) writes:
|
|	If you are in the middle of software interrupt A, and a real interrupt
|	comes along and Cause()'s another software interrupt (the SAME
|	software interrupt A)...
|	...will it be immediately re-invoked or will the Cause()
|	call from the hard interrupt be ignored because that particular
|	software interrupt was already in progress?

A Cause() of an already active software interrupt is ignored.  C'mon Matt,
that one is easy to trace :-).



|\_/|  . ACK!, NAK!, EOT!, SOH!
{o o} .     Bryce Nesbitt
 (")        BIX: mleeds (temporarily)
  U	    USENET: cbmvax!bryce@rutgers.EDU -or- rutgers!cbmvax!bryce
Disclaimer: I'm not an official, and thus this is not an official opinion.