From: Greg Colvin (gcolvin_at_[hidden])
Date: 2001-06-28 11:48:05
From: Peter Dimov <pdimov_at_[hidden]>
> From: "Greg Colvin" <gcolvin_at_[hidden]>
>
>
> > From: Peter Dimov <pdimov_at_[hidden]>
> > >
> > > My limited experience with threads has always followed the pattern
> "spawn a
> > > worker thread to perform lengthy operation X without blocking the main
> > > thread, leaving it responsive." (Minor variations include "to perform
> > > background operation Y", like keeping a buffer full of data.)
> > >
> > > What is the usual 'join' model?
> >
> > "And join the worker thread when the main thread needs the
> > result of the work."
>
> But joining the worker thread blocks the main thread.
Which needs the result at that point before it can continue,
so blocking is appropriate?