Builds the launch ask on top of the send queue.
Each start is its own run. A refusal from an earlier run's ask is ignored, so a second ready never doubles the asks that follow.
The queue every send goes through.
The ask, ready to start on ready.
Builds the launch ask on top of the send queue.
Each start is its own run. A refusal from an earlier run's ask is ignored, so a second ready never doubles the asks that follow.