Re: [boost] Re: Boost.Threads - thread_desc concept

From: Iain.Hanson_at_[hidden]
Date: 2001-06-28 12:12:46

Author:  gcolvin (gcolvin_at_[hidden]) at unix,mime
Date:    28/06/01 17:48

>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?
     
     yes
     
     /ikh
     
     

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