Type Definition aeron_rs::context::OnUnavailableCounter

type OnUnavailableCounter = fn(counters_reader: &CountersReader, registration_id: i64, counter_id: i32);

Function called by Aeron to deliver notification of counter being removed.

Implementations should do the minimum work for passing off state to another thread for later processing and should not make a reentrant call back into the Aeron instance.

@param counters_reader for more counter details. @param registration_id for the counter. @param counter_id that is unavailable.