Spawning a console in Windows (similar to forkpty on linux)

[wobbles via Digitalmars-d-learn]

On Saturday, 9 May 2015 at 12:48:16 UTC, Kagamin wrote:
> On Saturday, 9 May 2015 at 12:26:58 UTC, wobbles wrote:
>> What I mean is, if the cmd.exe hasnt flushed it's output, my 
>> cmdPid.stdout.readln (or whatever) will block until it does. I 
>> dont really want this.
>
> Are you sure cmd is the culprit? It should have sensible 
> buffering. Also do you want just a console window or also a 
> command interpreter attached to it?

My windows knowledge isnt marvelous, but I believe I'll need the 
interpreter attached.

Just as an example of running cmd through std.process, running 
this on my system:
	auto pipes = pipeShell("cmd.exe");
	write(pipes.stdout.readln);
	write(pipes.stdout.readln);
	write(pipes.stdout.readln);
         return;
will print
`
Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

`
and then exits.

However, adding another "write" line before the return; will 
cause the program to hang there, waiting for the cmd.exe process 
to flush it's next line.

On Linux, I'm able to edit a file descriptor after I've created 
it to tell it to read/write asynchronously, I cant seem to find 
anything similar on windows however.