208 struct event_base {  struct
219 	/** Function pointers used to describe the backend that this event_base  argument
229 	/** Number of total events added to this event_base */  argument
231 	/** Maximum number of total events added to this event_base */  argument
233 	/** Number of total events active in this event_base */  argument
235 	/** Maximum number of total events active in this event_base */  argument
249 	/** Set if we're running the event_base_loop function, to prevent  argument
251 	int running_loop;
257 	int n_deferreds_queued;
264 	struct evcallback_list *activequeues;
266 	int nactivequeues;
269 	struct evcallback_list active_later_queue;
275 	struct common_timeout_list **common_timeout_queues;
277 	int n_common_timeouts;
279 	int n_common_timeouts_allocated;
282 	struct event_io_map io;
306 	/** A lock to prevent conflicting accesses to this event_base */  argument
323 	enum event_base_config_flag flags;  argument
340 	int (*th_notify_fn)(struct event_base *base);  argument
357 /** Internal structure: describes the configuration we want for an event_base  argument