[M3devel] file descriptor confusion?

[Jay K]

Maybe some detail of fork?
Does problem occur on other systems?
Are you interfacing with C at all, besides what m3core/libm3 does for you?
 
 
 - Jay


----------------------------------------
> To: m3devel at elegosoft.com
> Date: Mon, 13 Dec 2010 14:40:56 -0800
> From: mika at async.caltech.edu
> Subject: [M3devel] file descriptor confusion?
>
> Hi m3devel,
>
> Still fiddling with I386_DARWIN.
>
> I've been able to get everything that I need compiling with the release
> compiler so I haven't upgraded to the head yet. I'm trying hard to
> get a new product ready and am already behind, was hoping I could debug
> my own code on this new laptop... Maybe soon (actually I have already
> found a bug in my own code under the compiler so I shouldn't complain).
>
> But I've run into a mystery that I think may be due to some change in CM3,
> but it might also be a bug of mine, so please just let me know if there
> *might* have been some changes that could have had the following effect.
>
> My code uses a pretty elaborate debugging framework with a "Debug"
> module that prints debug messages and conditionally can turn on and
> off various input streams (types of debug messages) and output streams
> (targets: terminal, files, etc.)
>
> I have a program that connects over TCP to a server, using Wr and Rd on
> ConnFD.T, TCP.T, and such objects. I am now finding that my debug
> output is going to the server! It's supposed to be a completely separate
> stream. It looks like the file descriptors have gotten confused. Maybe.
>
> Does this ring a bell for anyone? Sometime in the last year I would guess.
> Code works perfectly under PM3 (as always). If it does ring a bell
> anywhere, what are the chances it's different in the head?
>
> Mika