[pulseaudio-tickets] [Bug 56735] pa_mainloop_quit() can't make pa_mainloop_run exit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56735

--- Comment #14 from Yupeng Chang <changyp6 at gmail.com> ---
(In reply to comment #13)
> (In reply to comment #12)
> [...]
> > Thanks for your advise.
> > I have considered using threaded-mainloop, but there's one thing made me
> > give up.
> > My program is a real-time recording program, other threads are set to RT
> > thread.
> > There isn't an API of threaded-mainloop to set it to run as a RT thread.
> [...]
> 
> You can do this in the context state callback before you actually connect
> the stream, which is well before the audio work actually begins.

I think the best way to do so, is to send a special message, for example
"quit", to m->wakeup_pipe[1], in the poll function, when this special message
is received, m->quit is set to true, then poll quit cleanly.

In this model, pa_mainloop_quit() just "tells" pa_mainloop_run() to quit, the
former API won't modify any private data of PaMainloop.

B.T.W signal handler is not elegant to make mainloop quit. it's just a hack
method.

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