Proposal: System.Timeout module for base (Trac #980)

[Bayley, Alistair]

> This is a Windows-specific bug.  In fact all I/O on Windows 
> in the threaded RTS 
> is currently done with blocking foreign calls, so you won't 
> be able to kill any 
> threads blocked on I/O I'm afraid.  In the non-threaded RTS 
> you can kill the 
> Haskell thread, but the I/O will still happen (actually I 
> think this is worse 
> than the -threaded behaviour).

Damn my lame platform!

Well, that's a relief: at least I have an explanation as to why it works
that way. I was wondering how I would gracefully kill something waiting
for a socket accept.

I assume that when the process exits, all threads (OS or Haskell) are
terminated. So if I use the normal RTS, and have the main thread exit,
any thread waiting on a socket accept will be terminated too. That seems
to be my experience, anyway.

I'd offer to help but I'm no Windows expert, and 1-2 days effort would
be a few weeks elapsed time for me.

Alistair
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