Enum signal_hook::iterator::backend::PollResult

pub enum PollResult<O> {
    Signal(O),
    Pending,
    Closed,
    Err(Error),
}

Possible results of the poll_signal function.

Variants

Signal(O)

A signal arrived

Pending

There are no signals yet but there may arrive some in the future

Closed

The iterator was closed. There won’t be any signals reported from now on.

Err(Error)

An error happened during polling for arrived signals.