On Tue, Feb 02, 2010 at 06:14:18PM +0530, Siddu wrote:
> On Tue, Feb 2, 2010 at 5:56 PM, Pierre Wieser <pwie...@trychlos.org> wrote:
> 
> > Reading this list, I see some questions which talk about "threads": main
> > thread, event thread, and so on.
> >
> > I was not conscious Gtk+ was multithreaded. I'm conscious of asynchronous
> > code with the mail loop and idle function (which are rather in Glib, I
> > believe ?), but really not of multithread.
> >
> > So is Gtk multithreaded, or not ?
> >
> > Because if it is, I will have to deal with mutex, semaphores and all the
> > usual soup!!
> >
> Gtk+ is single threaded library

This is a bit too simplistic view.  Gtk+ is a thread-aware library.

This means if the application does not use threads neither does Gtk+ so
you don't need to care about mutexes and stuff at all.

However, Gtk+ knows about threads and goes to some length to be usable
in a multithreaded application by protecting its internal state by
locking (if threading is enabled).  Note that the only portable use of
threads with Gtk+ is to let only the thread running gtk_main() to
actually touch the GUI.

So Gtk+ is neither single-threaded nor multi-threaded in the usual sense
of these terms.

Yeti

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