um, no. in "stone age," people had other ways around it. Signals might have
worked in some cases, but interrupts are totally different things.
Thanks,
Tyler Littlefield
http://tds-solutions.net
Twitter: sorressean
On Apr 2, 2010, at 11:02 AM, Knowledge Seeker wrote:
> Crux of the discussion ....Thread is needed where one thinks that a
> aysnc-operation is needed .
> In stone-age one used 'interrupts' for this. Right ?. These days one
> uses a 'watcher-thread' .......
>
> Cheers.
> Knowledge Seeker
>
> On 4/2/2010 10:21 PM, Gerald Dunn wrote:
> > A socket was just a 'real-world' example.
> >
> > ----- Original Message -----
> > From: John Gaughan
> > To: c-prog@yahoogroups.com
> > Sent: Friday, April 02, 2010 12:20 PM
> > Subject: Re: [c-prog] MultiThreading !?!
> >
> >
> >
> > On 4/2/2010 9:45 AM, Gerald Dunn wrote:
> > > Consider an application that waits for an incoming socket connection.
> > > Typically the function call to accept the connection blocks. Just in case
> > > 'blocks' isn't clear, it basically means the function will not return
> > > until some condition is met. In this case the function would not return
> > > until an incoming connection is established or until some other thread
> > > closed the server socket, both of which could be indefinite. If your
> > > application just had the one thread to accept the connection then you
> > > could never do anything else. Now introduce another thread. This new
> > > thread could close the server socket after a timeout or as the result of
> > > a button press (physical or graphical), etc.
> > >
> >
> > It doesn't even have to be a socket communication. Any asynchronous
> > communication with a separate process may be able to benefit from this
> > design.
> >
> > I have written hardware drivers that used producer-consumer with
> > multiple threads on a single system, no sockets involved. But I do agree
> > that a good example would be a web server, which does use sockets and
> > multiple computers (clients).
> >
> > --
> > John Gaughan
> > http://www.johngaughan.net/
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
>
>
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