From:	"Michael D. McDonnell" <tics AT concentric DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Stack Switching in Isr's
Date:	Mon, 17 Mar 1997 14:31:39 -0800
Organization:	Tics Realtime
Lines:	9
Message-ID:	<332DC64B.7232@concentric.net>
NNTP-Posting-Host:	cnc50236.concentric.net
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

In a real-time multi-threaded system it is sometimes desirable to 
to switch stacks from within an isr so that the
the "iret" instruction will return to a higher priority
thread. This is a simple matter under DOS, but DPMI seems
to pose various obstacles. Is there a clean solution?
 
Sincerely,

Michael McDonnell

- Raw text -