Function

GObjectsignal_handler_block

Declaration

void
g_signal_handler_block (
  GObject* instance,
  gulong handler_id
)

Description

Blocks a handler of an instance so it will not be called during any signal emissions unless it is unblocked again. Thus “blocking” a signal handler means to temporarily deactivate it, a signal handler has to be unblocked exactly the same amount of times it has been blocked before to become active again.

The handler_id has to be a valid signal handler id, connected to a signal of instance.

Parameters

instance

Type: GObject

The instance to block the signal handler of.

The data is owned by the caller of the function.

handler_id

Type: gulong

Handler id of the handler to be blocked.