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By default the X server will try CLOCK_MONOTONIC_COARSE before CLOCK_MONOTONIC, while A Wayland compositor may only support getting their timestamps from the CLOCK_MONOTONIC clock. This causes various issues since it may happen that a timestamp from CLOCK_MONOTONIC retrieved before a sending an X request will still be "later" than the timestamp the X server than gets after receiving the request, due to the fact that CLOCK_MONOTONIC_COARSE has a lower resolution. To avoid these issues, make Xwayland always use CLOCK_MONOTONIC, so that it becomes possible for Wayland compositor only supporting CLOCK_MONOTONIC and X server to use the same clock. Signed-off-by: Jonas Ådahl <jadahl@gmail.com> Acked-by: Daniel Stone <daniels@collabora.com> Tested-by: Olivier Fourdan <ofourdan@redhat.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
X Server
The X server accepts requests from client applications to create windows,
which are (normally rectangular) "virtual screens" that the client program
can draw into.
Windows are then composed on the actual screen by the X server
(or by a separate composite manager) as directed by the window manager,
which usually communicates with the user via graphical controls such as buttons
and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the
following article:
http://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the
Xorg mailing list:
http://lists.freedesktop.org/mailman/listinfo/xorg
Please submit bug reports to the Xorg bugzilla:
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
The master development code repository can be found at:
git://anongit.freedesktop.org/git/xorg/xserver
http://cgit.freedesktop.org/xorg/xserver
For patch submission instructions, see:
http://www.x.org/wiki/Development/Documentation/SubmittingPatches
For more information on the git code manager, see:
http://wiki.x.org/wiki/GitPage