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Mail Archives: djgpp/1997/12/11/06:11:52

Date: Thu, 11 Dec 1997 13:11:00 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Paul Derbyshire <ao950 AT FreeNet DOT Carleton DOT CA>
cc: djgpp AT delorie DOT com
Subject: Re: Why should lock function
In-Reply-To: <66nvq3$bl4@freenet-news.carleton.ca>
Message-ID: <Pine.SUN.3.91.971211130811.13859D-100000@is>
MIME-Version: 1.0

On 11 Dec 1997, Paul Derbyshire wrote:

> Signal handlers, interrupt handlers, any functions called from the above
> (directly or indirectly), all need to be locked or the machine will hang.

Correction: signal handlers do NOT have to be locked in most cases, since 
they are actually called only when the CPU is back in its track in 
protected mode and in the mainline DJGPP code (our DS and SS etc.), after 
any DOS calls has returned.

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