Method get_or_insert

core/src/task.rs:320–331

(&mut self, key: usize)

    }

    fn get_or_insert(&mut self, key: usize) -> Arc<FutexTable> {
        self.operations += 1;
        if self.operations == 100 {
            self.operations = 0;
            self.map
                .retain(|_, table| Arc::strong_count(table) > 1 || !table.is_empty());
        }
        self.map
            .entry(key)
            .or_insert_with(|| Arc::new(FutexTable::new()))
            .clone()
    }
}

lazy_static! {