Re: Same memory piece for 2 running applications?

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#10813

From: Steve Aletto
Date: Wed, 17 Mar 2004 07:50

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> I need to write 2 applications which runs at the same time on the
> computer (Windows-2000) and share same piece of memory for
> exchanging data between each other (this piece of memory will
> contain a matrix of 400 x 500 float numbers (or 'int' , i still
> don't know) so if for example one application change this matrix,
> the anther application can take the matrix from the memory and
> use it, or display it for example...
>
> How do i do that? how can i allocate same piece of memory the two
> different applications can access and use (each one in it's turn)
> ??

You could use 'File mapping' technology. Start from CreateFileMapping
and related functions. To synchronize the processes you could simply
use a critical section, but there are many other ways.

HTH,

Steve.

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Subject: Re: Same memory piece for 2 running applications?
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