SharedFanoutLayout4

indexbus_abi::layouts::fanout

Struct SharedFanoutLayout4 

Source 
#[repr(C, align(64))]
pub struct SharedFanoutLayout4 {
    pub header: LayoutHeader,
    pub initialized: IndexbusAtomicU32,
    pub pad0: u32,
    pub pad_to_64: [u8; 40],
    pub slot_pool: SlotPoolLayout,
    pub producer_queue: IndexQueue,
    pub producer_queue_mpsc: MpscQueue,
    pub router_rr: IndexbusAtomicU32,
    pub pad_router_rr: u32,
    pub consumer_queues: [IndexQueue; 4],
}
Expand description

Concrete v1 fanout layout for N=4 (header generation target).

Fields§

§header: LayoutHeader

Common region header (magic/version/capabilities/layout size).

§initialized: IndexbusAtomicU32

0 = uninitialized, 1 = initializing, 2 = initialized

§pad0: u32

Padding (reserved).

§pad_to_64: [u8; 40]

Pad to 64 so SlotPoolLayout (align 64) starts at offset 64.

§slot_pool: SlotPoolLayout

Slot pool backing all queues.

§producer_queue: IndexQueue

SPSC producer queue of slot indices.

§producer_queue_mpsc: MpscQueue

MPSC producer queue of slot indices.

§router_rr: IndexbusAtomicU32

Router round-robin cursor used by work-queue routing.

§pad_router_rr: u32

Padding (reserved).

§consumer_queues: [IndexQueue; 4]

Per-consumer SPSC queues.

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