Enum RetryBatchAction 

enum RetryBatchAction {
    FlushClaimed,
    Queued,
    BecomeSpawner {
        own_seq: u64,
    },
}

What decide_retry_batch_action determined a stale-resume retry batch’s fate should be (issue #2367; spec §4). Split from SendAction because the batch’s live-process outcome is not a direct delivery: the batch goes through the queue under the drain claim, never through a caller’s own try_send.

Variants

FlushClaimed

A live, NEWER-generation process is running with no claim held. The batch was prepended to the queue AND drain_claim was taken in the same lock acquisition that decided this — the caller must start the queue flush (drain_queue_with_claim(.., QueueDrainClaim::RetryFlush)).

Queued

Someone else holds a claim (a spawn in flight, or another flush) — the batch was prepended for that claim-holder’s drain.

BecomeSpawner

Nobody holds a claim and no process is running — this retry claimed the exclusive spawn right; own_seq is the batch’s first entry’s seq (see SendAction::BecomeSpawner).

Fields

own_seq: u64