#include "query.h"
#include "array.h"
+
typedef filter_token filter_type_t;
typedef hook_token filter_result_t;
typedef param_token filter_param_id_t;
typedef void (*filter_async_handler_t)(filter_context_t *context,
const filter_hook_t *result);
+/** Number of filter currently running.
+ */
+extern uint32_t filter_running;
+
/* Registration.
*/