I'm pretty sure this is NOT thread safe. You generally need a dispatcher for
that in from. I would expect lockups without a dispatcher.
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-----Original Message-----
From: Markus Elfring [markus.elfr...@web.de]
Received: Tuesday, 20 Aug 2013, 1:44am
To: L. D. James [lja...@apollo3.com]
CC: gtkmm-list@gnome.org [gtkmm-list@gnome.org]
Subject: Re: What is the minimum number of lines to update a gui window without
user clicking a button
> HelloWorld::HelloWorld() : m_textview() {
>
> add(m_textview);
> m_textview.show();
> Glib::Thread::create(sigc::mem_fun(*this, &HelloWorld::cpp_app),
> true);
> }
[...]
> void HelloWorld::cpp_app() {
> string texttoprint = "";
> Glib::RefPtr<Gtk::TextBuffer> m_refTextBuffer;
> m_refTextBuffer = Gtk::TextBuffer::create();
> string runit(std::string c);
>
> texttoprint +=
> "About to run a number of c++ functions\nand display the
> results\n";
> m_refTextBuffer->set_text(texttoprint);
> m_textview.set_buffer(m_refTextBuffer);
>
> sleep(10); // This sleep function represents any c++ function
> performaing a task
I would like to clarify implementation details a bit more from this
programming attempt. Can it be that the referenced text buffer is
written in a thread-unsafe way here?
How do think about to apply improved techniques and software ingredients
like locks for memory consistency?
(Andrew Potter and Gavin Lambert suggested also an alternative program
structure. -
https://mail.gnome.org/archives/gtkmm-list/2013-August/msg00135.html )
Regards,
Markus
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