GISignalInfo represents a signal. It's a sub-struct of GICallableInfo and contains a set of flags and a class closure.
See GICallableInfo for information on how to retreive arguments and other metadata from the signal.
is a GISignalInfo.
GSignalFlags g_signal_info_get_flags (
Obtain the flags for this signal info. See GSignalFlags for more information about possible flag values.
GIVFuncInfo * g_signal_info_get_class_closure (
Obtain the class closure for this signal if one is set. The class
closure is a virtual function on the type that the signal belongs to.
If the signal lacks a closure
NULL will be returned.