Specifies the type of function passed to g_io_add_watch() or g_io_add_watch_full(), which is called when the requested condition on a #GIOChannel is satisfied.
the #GIOChannel event source
the condition which has been satisfied
user data set in g_io_add_watch() or g_io_add_watch_full()
Specifies the type of function passed to g_io_add_watch() or g_io_add_watch_full(), which is called when the requested condition on a #GIOChannel is satisfied.