From: exobot AT my-deja DOT com
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DPMI and CALDERA-DOS
Date: Thu, 01 Jul 1999 13:42:22 GMT
Organization: Deja.com - Share what you know. Learn what you don't.
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

  djgpp AT delorie DOT com wrote:
>
> On Wed, 30 Jun 1999 exobot AT my-deja DOT com wrote:
>
> > I have some Problems with the DMPI-Interface when
> > running the TaskMgr of Caldera DR-DOS 7.03.
> > If I use the DPMI-Functions of DR-DOS-EMM386 Rhide
> > and my Testprogramms will run, but the
> > GCC-Compiler does no ERROR-Messages when a
> > syntax-error ist in the source-code.
>
> I think we need first to establish that the problem is with Caldera.
> It might be that the problem is with one of these:
>
>    - your setup of DJGPP and/or RHIDE;
>    - some bug in RHIDE;
>    - some bug in the DJGPP library;
>
> I suggest to contact the authors of RHIDE and SETEDIT and work with
> them to see whether one of the above could be the case, e.g. by
> writing a small test program that redirects compiler's errors to a
> file, like RHIDE does, and running it under a debugger to see why does
> the redirection fail.
>
Hello,

thanks for your response, but I think the
problem is not the Installation of djgpp
or rhide, it is the DPMI-server itself.

I try to explain my problem
- I'm using caldera DrDos 7.03 as platform on
  a 486DX4/100 16MB and compile at the command-line.
  As testprograms I'm using "hello-world" wich
  waites for a keypress or rhide (as a more complex one).

Here the effects:
1) I'm running DOS with Caldera-Emm386 as DPMI-
   server.
   1.1. no TaskManager:
     - everything is fine. I get errormessges
       when compiling programs with systax errors
   1.2. TaskManager enabled, running 1 Task:
     - I get no errormessges when compiling
       programs with systax errors
   1.3. TaskManager enabled, running 2 Tasks
        with programms needing DPMI (Hello world)
     - normally it works, sometimes the system
       crashes or hangs.
2) I'm running DOS with cwsdpmi instead of DR-DOS-EMM386
   with DPMI enabled.
   1.1. no TaskManager:
     - everything is fine. I get errormessges
       when compiling programs with systax errors
   1.2. TaskManager enabled, running 1 Task:
     - everything is fine. I get errormessges
       when compiling programs with systax errors
   1.3. TaskManager enabled, running 2 Tasks
        with programms needing DPMI (Hello world)
     - I get the error mesage:
       "Warning: cannot open swap file C:\cwsdpmi.swp"
     - or the system crashes.

So my problems are:
- I can't compile when the Taskmanager ist enabled (when
  using EMM386 of DR-DOS as dpmi-server)
- I can't run two programms build with djgpp without crash.

Do I try the impossible (Caldera Tasmanager and Protected
mode-programms, did I have a configuration problem or do
I need another DPMI-Server ?

Greetings Alex


P.S. Sorry for my bad english :-)
--
If you like, visit my Hompepage at:
http://www.roboterwelt.de


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