/** Connect to Wayland display on an already open fd
*
* \param fd The fd to use for the connection
* \return A \ref wl_display object or \c NULL on failure
*
* The wl_display takes ownership of the fd and will close it when the
* display is destroyed. The fd will also be closed in case of
* failure.
*
* \memberof wl_display
*/
WL_EXPORT struct wl_display *
wl_display_connect_to_fd(int fd)
{
struct wl_display *display;
const char *debug;
debug = getenv("WAYLAND_DEBUG");
if (debug && (strstr(debug, "client") || strstr(debug, "1")))
debug_client = 1;
display = malloc(sizeof *display);
if (display == NULL) {
close(fd);
return NULL;
}
memset(display, 0, sizeof *display);
display->fd = fd;
wl_map_init(&display->objects, WL_MAP_CLIENT_SIDE);
wl_event_queue_init(&display->default_queue, display);
wl_event_queue_init(&display->display_queue, display);
wl_list_init(&display->event_queue_list);
pthread_mutex_init(&display->mutex, NULL);
pthread_cond_init(&display->reader_cond, NULL);
display->reader_count = 0;
wl_map_insert_new(&display->objects, 0, NULL);
display->proxy.object.interface = &wl_display_interface;
display->proxy.object.id = wl_map_insert_new(&display->objects, 0, display);
display->proxy.display = display;
display->proxy.object.implementation = (void(**)(void)) &display_listener;
display->proxy.user_data = display;
display->proxy.queue = &display->default_queue;
display->proxy.flags = 0;
display->proxy.refcount = 1;
display->connection = wl_connection_create(display->fd);
if (display->connection == NULL)
goto err_connection;
printf("<< %s:%u\n", __func__, __LINE__);
return display;
err_connection:
pthread_mutex_destroy(&display->mutex);
pthread_cond_destroy(&display->reader_cond);
wl_map_release(&display->objects);
close(display->fd);
free(display);
return NULL;
}
/** Create a new event queue for this display
*
* \param display The display context object
* \return A new event queue associated with this display or NULL on
* failure.
*
* \memberof wl_display
*/
WL_EXPORT struct wl_event_queue *
wl_display_create_queue(struct wl_display *display)
{
struct wl_event_queue *queue;
queue = malloc(sizeof *queue);
if (queue == NULL)
return NULL;
wl_event_queue_init(queue, display);
pthread_mutex_lock(&display->mutex);
wl_list_insert(&display->event_queue_list, &queue->link);
pthread_mutex_unlock(&display->mutex);
return queue;
}
