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Mail Archives: djgpp/1997/03/18/03:43:44

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

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