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Mail Archives: djgpp/1998/09/20/04:50:53

Date: Sun, 20 Sep 1998 11:50:13 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Enoch Wexler <enoch AT wexler DOT s-p-a-m DOT co DOT il>
cc: djgpp AT delorie DOT com
Subject: Re: Communication with Windows programs
In-Reply-To: <3603ac29.4596823@news.ibm.net.il>
Message-ID: <Pine.SUN.3.91.980920114637.406R-100000@is>
MIME-Version: 1.0

On Sat, 19 Sep 1998, Enoch Wexler wrote:

> Running in a DOS box, is there any mechanism other than to use files
> to communicate with other Windows programs?

This has come up before.  I suggest to search the DJGPP newsgroup 
archives at http://www.delorie.com/djgpp/mail-archives/, for keywords 
like "inter-process communications".

One way is the clipboard, but it is relatively slow.

What's wrong with files, anyway?  Did you try it or just decided that 
it's no good?

> Has anybody heard of some method whereby Windows programs can access
> physical memory? Some undocumented VxD perhaps.

Not AFAIK.  Of course, you can always write a TSR that installs before
Windows (from AUTOEXEC.BAT) and use it to pass data between different
virtual machines. 

> This seems to me a question of considerable importance to the future
> of the djgpp project.

Why?

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