Re: [Boost-users] status of boost::signal multi-threading support

From: Stephen torri (storri_at_[hidden])
Date: 2005-01-10 09:04:26

On Tue, 2005-01-04 at 21:27 -0500, Douglas Gregor wrote:
> >> If you're using a signal from two threads concurrently, you will most
> >> likely see random crashes and other bad behavior. Signals keep a lot 
> >> of
> >> state, even when they are being invoked, so just about anything can
> >> trip it up.
> >
> > The first thing that came to mind about this was thread specific 
> > storage
> > (TSS). Here is a design pattern that will do what I think we need.
> > http://www.cs.wustl.edu/~schmidt/PDF/TSS-pattern.pdf
> 
> That solves part of the problem, but there's more too it. Eric Niebler 
> wrote a few posts to the developer's list describing some locking 
> mechanisms that could be used to make signals work in a multithreaded 
> environment.
> 
> 	Doug

Do you know how to get a hold of Eric? I would like to see if he has
done any work on the locking mechanisms.

Stephen