DataInputStream.readLineAsync

void readLineAsync(int  ioPriority,  gio.cancellable.Cancellable cancellable =  null,  gio.types.AsyncReadyCallback callback =  null)

The asynchronous version of [gio.data_input_stream.DataInputStream.readLine]. It is an error to have two outstanding calls to this function.

When the operation is finished, callback will be called. You can then call [gio.data_input_stream.DataInputStream.readLineFinish] to get the result of the operation.

Parameters

`ioPriority`	the [I/O priority][io-priority] of the request
`cancellable`	optional #GCancellable object, null to ignore.
`callback`	callback to call when the request is satisfied.