Struct zbq_join_payload 

pub struct zbq_join_payload {
    pub ring_capacity: u64,
    pub join_baseline: u64,
    pub initial_head: u64,
    pub producer_pid: i32,
    pub slot_index: u32,
    pub wakeup_mode: u32,
    /* private fields */
}

Payload sent from producer to consumer during the join handshake.

Fields

ring_capacity: u64

Size of the data ring.

join_baseline: u64

Baseline timestamp used for progress measurements.

initial_head: u64

Initial head offset (consumer starts reading from here).

producer_pid: i32

PID of the producer process.

slot_index: u32

Slot index assigned to this consumer.

wakeup_mode: u32

Wakeup mode (ZBQ_WAKEUP_PUSH or ZBQ_WAKEUP_PULL).