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Date:	Thu, 8 Jul 2004 08:33:55 -0700 (PDT)
From:	SET SET <setedit2004 AT yahoo DOT com>
Subject:	Re: RFC: gdb, Emacs, RHIDE, etc.
To:	djgpp-workers AT delorie DOT com
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--- Richard Dawe <rich AT phekda DOT gotadsl DOT co DOT uk> wrote:
> Hello.
> 
> SET SET wrote:
> [snip]
> > IPC what?
> > 
> >  Inter-Process Communication is quite simple on
> POSIX
> > systems but for djgpp ... Well, you can use a
> > networking protocol, but again isn't that simple.
> >  For TCP/IP you have:
> > 
> > a) libsocket, it looks like it doesn't work very
> well
> > with VSOCK 2. I tried it on Windows 98 SE and it
> > failed.
> 
> There are two ways of making it work:
> 
> * Patch WSOCK2.VXD, to work around its broken
> interface to DOS programs. 
> That has to be done on every system. That clearly
> won't work.
> 
> * Write a VxD to talk to WSOCK2.VXD. The new VxD
> would have an interface 
> usable from DOS. This has been done and it's called
> WSOCKXS. See the 
> dossock home page for more details: 
>
<http://homepages.nildram.co.uk/~phekda/richdawe/dossock/>.

Thanks I'll try it.

> 
> > b) Watt-32, it needs a special NDIS driver for
> > Windows.
> > 
> >  Another option could be using mslot library. It
> seems
> > to work (at least for Windows). It uses the "Mail
> > Slot" mechanism. One problem I found in this
> library
> > is that it implements the "read" FSEXT in a 
> > "non-blocking" way and doesn't honor the
> O_NONBLOCKING
> > flag. The changes to fix it are really simple.
> > According to mslot docs they are available for 
> plain
> > DOS.
> [snip]
> 
> You need MS LAN Manager to use mailslots under DOS.
> I don't know where 
> you can get that these days.
> 
> Another problem with mailslots is that they are not
> reliable. If you 
> send several hundred messages, some of them will get
> dropped. I can't 
> remember if I made the libmslot work around that or
> not.

Thanks for the advice.

SET



	
		
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