Function

GLibSourceFunc

Declaration

gboolean
(* GSourceFunc) (
  gpointer user_data
)

Description

Specifies the type of function passed to g_timeout_add(), g_timeout_add_full(), g_idle_add(), and g_idle_add_full().

When calling g_source_set_callback(), you may need to cast a function of a different type to this type. Use G_SOURCE_FUNC() to avoid warnings about incompatible function types.

Parameters

user_data gpointer
 

Data passed to the function, set when the source was created with one of the above functions.

 The argument can be NULL.
 The data is owned by the caller of the function.

Return value

Returns: gboolean
 

FALSE if the source should be removed. G_SOURCE_CONTINUE and G_SOURCE_REMOVE are more memorable names for the return value.