Date: Sun, 26 Jan 1997 17:48:48 +0100 From: Poul-Henning Kamp <phk@critter.dk.tfs.com> To: dg@root.com Cc: Luigi Rizzo <luigi@labinfo.iet.unipi.it>, swallace@ece.uci.edu, current@FreeBSD.ORG Subject: Re: exec bug Message-ID: <7583.854297328@critter.dk.tfs.com> In-Reply-To: Your message of "Sun, 26 Jan 1997 05:36:03 PST." <199701261336.FAA06928@root.com>
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In message <199701261336.FAA06928@root.com>, David Greenman writes: > ...and just how do you tell the exec code that a page fault that occured >while it was accessing the image header was "fatal"? The only mechanism we >have for this is signals, and that doesn't work when you're executing in the >kernel like this. Wouldn't it make sense for the image activator to do a couple of probes first to see that the data is actually available ? that way it could fail intelligently ? -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.
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