66  * provided handlers are frequently connected and disconnected to/from a certain
75  * 	2 - Invocation of normal user-provided signal handlers (<emphasis>after</emphasis> flag %FALSE)
81 …* 	4 - Invocation of user provided signal handlers, connected with an <emphasis>after</emphasis> f…
87  * The user-provided signal handlers are called in the order they were
89  * All handlers may prematurely stop a signal emission, and any number of
90  * handlers may be connected, disconnected, blocked or unblocked during
92  * There are certain criteria for skipping user handlers in stages 2 and 4
94  * First, user handlers may be <emphasis>blocked</emphasis>, blocked handlers are omitted
101  * Specification of no detail argument for signal handlers (omission of the
239   Handler *handlers;  member
240   Handler *tail_before;  /* normal signal handlers are appended here  */
241   Handler *tail_after;   /* CONNECT_AFTER handlers are appended here  */
382   key.handlers    = NULL;  in handler_list_ensure()
430           for (handler = hlist->handlers; handler; handler = handler->next)  in handler_lookup()
497       for (handler = hlist ? hlist->handlers : NULL; handler; handler = handler->next)  in handlers_find()
534               for (handler = hlist->handlers; handler; handler = handler->next)  in handlers_find()
606           hlist->handlers = handler->next;  in handler_unref_R()
653   if (!hlist->handlers)  in handler_insert()
655       hlist->handlers = handler;  in handler_insert()
674       else /* insert !after handler into a list of only after handlers */  in handler_insert()
676           handler->next = hlist->handlers;  in handler_insert()
679           hlist->handlers = handler;  in handler_insert()
810  * @instance: the object whose signal handlers you wish to stop.
1062  * @instance: the object whose signal handlers you wish to stop.
1336   /* optimize NOP emissions with NULL class handlers */  in g_signal_new()
2325  * handlers are called during signal emissions is deterministic,
2436           Handler *handler = hlist->handlers;  in g_signal_handlers_destroy()
2444               /* cruel unlink, this works because _all_ handlers vanish */  in g_signal_handlers_destroy()
2541  * @instance: The instance to block handlers from.
2543  *  and/or @data the handlers have to match.
2544  * @signal_id: Signal the handlers have to be connected to.
2545  * @detail: Signal detail the handlers have to be connected to.
2546  * @closure: The closure the handlers will invoke.
2547  * @func: The C closure callback of the handlers (useless for non-C closures).
2548  * @data: The closure data of the handlers' closures.
2550  * Blocks all handlers on an instance that match a certain selection criteria.
2555  * If no handlers were found, 0 is returned, the number of blocked handlers
2558  * Returns: The number of handlers that matched.
2588  * @instance: The instance to unblock handlers from.
2590  *  and/or @data the handlers have to match.
2591  * @signal_id: Signal the handlers have to be connected to.
2592  * @detail: Signal detail the handlers have to be connected to.
2593  * @closure: The closure the handlers will invoke.
2594  * @func: The C closure callback of the handlers (useless for non-C closures).
2595  * @data: The closure data of the handlers' closures.
2597  * Unblocks all handlers on an instance that match a certain selection
2602  * If no handlers were found, 0 is returned, the number of unblocked handlers
2603  * otherwise. The match criteria should not apply to any handlers that are
2606  * Returns: The number of handlers that matched.
2636  * @instance: The instance to remove handlers from.
2638  *  and/or @data the handlers have to match.
2639  * @signal_id: Signal the handlers have to be connected to.
2640  * @detail: Signal detail the handlers have to be connected to.
2641  * @closure: The closure the handlers will invoke.
2642  * @func: The C closure callback of the handlers (useless for non-C closures).
2643  * @data: The closure data of the handlers' closures.
2645  * Disconnects all handlers on an instance that match a certain
2651  * matches.  If no handlers were found, 0 is returned, the number of
2652  * disconnected handlers otherwise.
2654  * Returns: The number of handlers that matched.
2684  * @instance: the object whose signal handlers are sought.
2687  * @may_be_blocked: whether blocked handlers should count as match.
2689  * Returns whether there are any handlers connected to @instance for the
2746   /* are we able to check for NULL class handlers? */  in signal_check_skip_emission()
2774   /* do we have pending handlers? */  in signal_check_skip_emission()
2776   if (hlist && hlist->handlers)  in signal_check_skip_emission()
2795  * Note that g_signal_emitv() doesn't change @return_value if no handlers are
2898  * if no handlers are connected, in contrast to g_signal_emitv().
3026  * if no handlers are connected, in contrast to g_signal_emitv().
3052  * if no handlers are connected, in contrast to g_signal_emitv().
3165   handler_list = hlist ? hlist->handlers : NULL;  in signal_emit_unlocked_R()