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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Setting a queue on a wl_proxy is racy if some other thread is dispatching the default queue"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91273#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Setting a queue on a wl_proxy is racy if some other thread is dispatching the default queue"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91273">bug 91273</a>
from <span class="vcard"><a class="email" href="mailto:boram1288@gmail.com" title="Boram <boram1288@gmail.com>"> <span class="fn">Boram</span></a>
</span></b>
<pre><span class="quote">> All threads call wl_display_read_events() after returning from poll(), but
> only the last thread reads the data from the fd. That way we make sure all
> threads who called wl_display_prepare_read_queue() will come out of poll
> before we read the data.</span >
In multi-thread application, looks we need to avoid to use
dispatch()/dipatch_queue(). And there might be no problem if every threads call
prepare_read(), poll() and read_events(). For toolkits to support multi-thread,
they also need to be fixed to use prepare_read/read_events, as well as mesa
Pekka Paalanen mentioned above.
To replace roundtrip()/dispatch()/dispatch_queue(), can wayland offer a new
convenient API which internally calls poll() and read_events()? i.e,
wl_display_poll_read()? It will be more convenient than calling poll() and
read_events() directly by each library.</pre>
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