Re: Thread-save posting of events

[Rick Jones <rick jones2 hp com>]

Tobias Rapp wrote:
> Hello!
>
> I'm new to this list and also a novice in GTK programming. My company is
> considering to port some of our Windows service (aka daemon)
> applications to GNU/Linux and thus I'm evaluating what libraries to use
> for that. Currently I'm programming with Delphi5 on Windows and I plan
> to use gcc C/C++ on GNU/Linux.
>
> Most of our applications are some kind of TCP/IP servers which have each
> client implemented as one thread. The communication between the threads
> is performed by sending standard windows messages (PostMessage() or
> SendMessage() if somebody here is familiar with the Win32 API).
>
> I had a look at GTK/GLib and the main/event loop seems to be similar to
> that. But what is not clear to me is how to place an event in the event
> loop of another thread. If I raise an signal the connected slots will be
> executed immediately, or? Thus this mechanism seems not to be useful for
> inter-thread-communication. Maybe I have to use a pipe and assign
> read/write handlers in each thread?

I've only come across it while looking for other things, but perhaps the 
 GAsyncQueues stuff would be useful for thread-to-thread comms?

http://developer.gnome.org/doc/API/2.0/glib/glib-Asynchronous-Queues.html

You probably still need watch routines executing the the various event 
loops (guessing).

rick jones
still only learning this stuff himself.