[Wayland-bugs] [Bug 91273] It's not safe to share wl_display fd with other threads.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91273

--- Comment #7 from Boram <boram1288 at gmail.com> ---
> I still don't understand what you mean by "the kernel may not wake up the
> thread" if it refers to a different issue than the two mentioned above.

When A thread is polling on a display fd and B thread is polling on the same
display fd, if a server sends messages, sometimes only one thread(Let's say it
is B thread) awakes and reads all events so fast. Then A thread still is in the
polling status and can't awake. Even if B thread reads and queue all events
into corresponding queue_lists, the events of A thread's queue_list can't be
handled because A thread is still in sleep.

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