[fpc-devel] Multithreading under DOS

Leif Ekblad leif at rdos.net
Thu Sep 26 20:16:42 CEST 2013

RDOS (my OS) runs well on an 386 with 4MB, but it no longer supports 
emulating DOS, and the FPC adaption I did many years ago probably is broken. 
OTOH, it would be possible to adapt the FPC RTL to RDOS, provided it is 
thread-safe, and that way provide a light-weight environment. I have an RTL 
implementation for OpenWatcom, which right now is my primary environment. 
And RDOS supports modern hardware (including multicore), something DOS never 
will do.


----- Original Message ----- 
From: "Nikolay Nikolov" <nickysn at users.sourceforge.net>
To: <fpc-devel at lists.freepascal.org>
Sent: Thursday, September 26, 2013 7:48 PM
Subject: Re: [fpc-devel] Multithreading under DOS

> On 09/26/2013 08:24 PM, Leif Ekblad wrote:
>> DOS extenders are even worse candidates for multitasking than DOS. And if 
>> you aim to use 32-bit anyway, I see no reason to use an DOS extender over 
>> a real multitasking OS.
> Low resource usage perhaps. How well does Linux run on a 386 with 4 MB of 
> RAM? What about 2 MB? :)
> Nikolay
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