Struct BusPoller 

pub struct BusPoller { /* private fields */ }

Registers multiple bus fds and waits for any to become readable within a deadline. Buses with no raw_fd cannot be registered and must be polled out-of-band.

Implementations

impl BusPoller

pub fn with_capacity(n: usize) -> Result<Self, TransportError>

Construct a poller with capacity for n simultaneous ready buses.

pub fn register(&self, token: Token, fd: RawFd) -> Result<(), TransportError>

Register a fd under a token.

pub fn deregister(&self, fd: RawFd) -> Result<(), TransportError>

Deregister a fd; call when the bus is going away.

pub fn wait(&mut self, deadline: Duration) -> Result<Vec<Token>, TransportError>

Block up to deadline waiting for any registered fd to become readable. Returns the tokens of the ready fds in arrival order.