Re: [sigc] interthread communication library "sigx++"

[Murray Cumming <murrayc murrayc com>]

This sounds really interesting. Do post this to gtkmm-list too, so that
more people see it. Thanks.

On Sun, 2008-04-13 at 19:47 +0200, klaus triendl wrote:
> I would like to announce my work on "sigx++", a c++ interthread
> communication library on top of libsigc++ and glibmm.
> 
> It features:
>    * dispatcher based interthread communication
>    * typesafe functor adaptors to execute functions in the context of
> another thread (send messages inbetween threads)
>    * threadsafe wrappers for signals and connections
>    * deadlock detection for synchronous messages
>    * ready-to-use with glibmm/gtkmm based programs
> 
> 
> More specifically:
>    * every variant of interthread communication is done via a dispatcher
> under the hood;
> This means that communication except for the dispatcher and synchronous
> messages is lock-free;
> instead of making functors, signals and connections threadsafe by
> themselves they rather have wrappers that offer the same interface and
> send a message to the concrete signal or connection in the context of
> another thread (i.e. to the thread that owns the signals).
>    * the dispatcher mechanism itself is generic such that multiple
> dispatcher implementations can be plugged in
>    * e.g. sigx++ out of the box extends the Glib::Dispatcher in a way
> that not only nullary callbacks can be executed but callbacks with an
> arbitrary number of arguments
>    * for sending messages between threads, there exists a "tunnel"
> functor adaptor adapting functions to be executed in the context of
> another thread
>    * sigx++ introduces a "dispatchable" concept, i.e. a class that just
> can be part of interthread communication
>    * sigx++ introduces a "threadable" concept, i.e. a class executed as
> a thread
>    * glibmm based implementations of dispatchable/threadable that create
> and set up a glibmm thread context allow sigx++ to be used directly
> within gtkmm programs
> 
> 
> 
> sigx++ started from ideas of Tim Mayberry's project "glibmmx" and some
> discussions with him helped me to bring sigx++ to its current level.
> I personally consider sigx++ as completed regarding its functionality
> except the support for system signals; still some work needs to be done
> though.
> 
> If you are interested in the library you can download it at
> http://triendl.info/sigx
> The example and test programs should give an impression how sigx++ can
> be used.
> 
> 
> Questions and comments are welcome and I hope for constructive discussions!
> 
> Klaus Triendl
> 
> 
> _______________________________________________
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> libsigc-list gnome org
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