From: "QUEISSER,ANDREW (HP-Corvallis,ex1)" <andrew_queisser@...>
Date: 2002-04-05T01:24:10+09:00
Subject: RE: File change notification?

> At Thu, 28 Mar 2002 02:33:06 +0900,
> QUEISSER,ANDREW (HP-Corvallis,ex1) <andrew_queisser@hp.com> wrote:
> > For future refinement I have one follow-on question: can I build
> > an extension DLL that creates it's own NT thread which would block
> > on the change notification handle? Can the NT thread signal a
> > blocked Ruby thread waiting on a mutex? I suppose the answers must
> > be 'yes' but I'm not sure if I'm overlooking something.
> 
> "Yes" for first question, and "not impossible but difficult"
> for next one.  Now win32(mswin32 and mingw32) ruby uses
> select() in Winsock2, but it can use socket handle only, so
> normal win32 thread synchronization mechanisms can't be used.
> 
> -- 
> Nobu Nakada
> 
Nobu,

Not sure I understand. What's the connection between the select()
and the ability to wake up a Ruby thread? Or is it fundamentally
difficult to have one Win32 thread communicate with the main Ruby
thread?

Andrew