Jon TURNEY ce6136f8c5 Cygwin/X: Make winOverrrideStyle() thread-safe ...

Make winOverrrideStyle() thread-safe

winOverrideStyle() is called from the internal WM client thread.

Accessing server-internal data structures to get window name and
class is not safe, as there is no lock to ensure we do not collide
with these data structures being updated in the server thread.

Rewrite so the internal client thread uses X client calls to
obtain this data safely

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Tested-by: Colin Harrison <colin.harrison@virgin.net>

2011-04-27 14:24:17 +01:00

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