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Add support for flags in the wl_map API and add a WL_MAP_ENTRY_LEGACY flag

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The implementation in this commit allows for one bit worth of flags.  If
more flags are desired at a future date, then the wl_map implementation
will have to change but the wl_map API will not.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jason Ekstrand 2013-06-01 17:40:53 -05:00 • committed by Kristian Høgsberg
parent 28472970df
commit 2c7468b868
4 changed files with 58 additions and 20 deletions
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13
src/wayland-private.h
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@ -41,6 +41,14 @@
#define WL_SERVER_ID_START 0xff000000
#define WL_CLOSURE_MAX_ARGS 20
/* Flags for wl_map_insert_new and wl_map_insert_at. Flags can be queried with
* wl_map_lookup_flags. The current implementation has room for 1 bit worth of
* 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)
};
struct wl_map {
struct wl_array client_entries;
struct wl_array server_entries;
@ -52,11 +60,12 @@ typedef void (*wl_iterator_func_t)(void *element, void *data);
void wl_map_init(struct wl_map *map, uint32_t side);
void wl_map_release(struct wl_map *map);
uint32_t wl_map_insert_new(struct wl_map *map, void *data);
int wl_map_insert_at(struct wl_map *map, uint32_t i, void *data);
uint32_t wl_map_insert_new(struct wl_map *map, uint32_t flags, void *data);
int wl_map_insert_at(struct wl_map *map, uint32_t flags, uint32_t i, void *data);
int wl_map_reserve_new(struct wl_map *map, uint32_t i);
void wl_map_remove(struct wl_map *map, uint32_t i);
void *wl_map_lookup(struct wl_map *map, uint32_t i);
uint32_t wl_map_lookup_flags(struct wl_map *map, uint32_t i);
void wl_map_for_each(struct wl_map *map, wl_iterator_func_t func, void *data);
struct wl_connection;