Pekka Paalanen 08d3fb7625 compositor: inert wl_surface objects do not exist
There is no valid case, where you would actually destroy a
weston_surface, while leaving the wl_surface protocol object in
existence. Therefore, inert wl_surface objects do not exist, except
because of bugs.

To catch such bugs, check that the resource is really NULL before
actually destroying the weston_surface.

We actually used to have this check, but it was removed by:

	commit 9dadfb5352
	Author: Kristian Høgsberg <krh@bitplanet.net>
	Date:   Mon Jul 8 13:49:36 2013 -0400

	    compositor: Eliminate marshalling warning for leave events

However, the invariant was put back in:

	commit 0d379744d3
	Author: Giulio Camuffo <giuliocamuffo@gmail.com>
	Date:   Fri Nov 15 22:06:15 2013 +0100

	    compositor: set weston_surface:resource to NULL when destroyed

So apparently the issue fixed by 9dadfb53 was fixed another way later.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
2015-04-30 14:51:40 +03:00
2010-11-06 21:04:03 -04:00
2012-04-25 10:17:42 -04:00
2015-04-13 09:52:16 +03:00

Weston

Weston is the reference implementation of a Wayland compositor, and a
useful compositor in its own right.  Weston has various backends that
lets it run on Linux kernel modesetting and evdev input as well as
under X11.  Weston ships with a few example clients, from simple
clients that demonstrate certain aspects of the protocol to more
complete clients and a simplistic toolkit.  There is also a quite
capable terminal emulator (weston-terminal) and an toy/example desktop
shell.  Finally, weston also provides integration with the Xorg server
and can pull X clients into the Wayland desktop and act as a X window
manager.

Refer to http://wayland.freedesktop.org/building.html for building
weston and its dependencies.

The test suite can be invoked via `make check`; see
http://wayland.freedesktop.org/testing.html for additional details.
S
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