From: Gordon Thiesfeld <gthiesfeld@...>
Date: 2007-12-21T00:32:21+09:00
Subject: Re: starting multiple processes

On Dec 20, 2007 2:34 AM, Robert Klemme <shortcutter@googlemail.com> wrote:
> 2007/12/20, Joel VanderWerf <vjoel@path.berkeley.edu>:
> > Junkone wrote:
> > > hello
> > > i have to do the following
> > > 1.     exec("E:\\TradingTools\\IBController\
> > > \IBControllerStart_customised.bat")
> > >  2.     application = WIN32OLE.new("Broker.Application")
> > >
> > > I want to start 1 and then continue doing 2. however when i run it
> > > realtime, the statement 2 waits for statement 1 to be completed which
> > > takes long time. how do i initiate 1 and then withotu waiting goto
> > > statement 2.
> >
> > Wrap #1 in a thread:
> >
> > Thread.new do
> >    exec(...)
> > end
>
> Wouldn't help.  This is #exec and not #system - the process does not
> wait, it is completely replaced and "application =
> WIN32OLE.new("Broker.Application")" is never executed.
>
> You rather want fork.
>
> fork do
>   exec ...
> end
>
> Cheers
>
> robert
>
> --
> use.inject do |as, often| as.you_can - without end
>


Fork isn't implemented on Windows.  Try this:

system("start E:\\TradingTools\\IBController\\IBControllerStart_customised.bat")
application = WIN32OLE.new("Broker.Application")

-Gordon