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client: Add WL_MAP_ENTRY_ZOMBIE flag

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Add a new map entry flag to indicate that the object received is valid,
but a zombie. Previously this relied on a fixed object pointer, but
future patches in this series will have map entries returning either
NULL, or a different structure type entirely, for zombie objects.

wl_object_is_zombie() now solely uses the new flag to determine whether
or not the object is a zombie.

[daniels: Extracted from Derek's bespoke-zombie patch as an intermediate
          step.]

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Derek Foreman 2017-12-28 15:22:25 +00:00 • committed by Daniel Stone
parent 69fab4fffc
commit 07d7a9968d
3 changed files with 21 additions and 9 deletions
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3
src/wayland-private.h
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@ -69,7 +69,8 @@ wl_interface_equal(const struct wl_interface *iface1,
* flags. If more flags are ever added, the implementation of wl_map will have
* to change to allow for new flags */
enum wl_map_entry_flags {
WL_MAP_ENTRY_LEGACY = (1 << 0)
WL_MAP_ENTRY_LEGACY = (1 << 0), /* Server side only */
WL_MAP_ENTRY_ZOMBIE = (1 << 0) /* Client side only */
};
struct wl_map {