pollableSourceNewFull

glib.source.Source pollableSourceNewFull(gobject.object.ObjectWrap pollableStream,  glib.source.Source childSource =  null,  gio.cancellable.Cancellable cancellable =  null)

Utility method for #GPollableInputStream and #GPollableOutputStream implementations. Creates a new #GSource, as with [gio.global.pollableSourceNew], but also attaching child_source (with a dummy callback), and cancellable, if they are non-null.

Parameters

`pollableStream`	the stream associated with the new source
`childSource`	optional child source to attach
`cancellable`	optional #GCancellable to attach

Returns

the new #GSource.