Function

GObjecttype_add_interface_check

since: 2.4

Declaration

void
g_type_add_interface_check (
  gpointer check_data,
  GTypeInterfaceCheckFunc check_func
)

Description

Adds a function to be called after an interface vtable is initialized for any class (i.e. after the interface_init member of GInterfaceInfo has been called).

This function is useful when you want to check an invariant that depends on the interfaces of a class. For instance, the implementation of GObject uses this facility to check that an object implements all of the properties that are defined on its interfaces.

Available since: 2.4

This function is not directly available to language bindings.

Parameters

check_data

Type: gpointer

Data to pass to check_func.

The argument can be NULL.

The data is owned by the caller of the function.

check_func

Type: GTypeInterfaceCheckFunc

Function to be called after each interface is initialized.