The polling method may have delays due to response availability and polling cycle.
由于响应可用性和轮询周期,轮询方法可能有延迟。
This method is timelier than the polling method and guarantees that the response is handled immediately.
回调方法比轮询方法更及时,能确保响应被及时处理。
The traditional polling method, however, has a scalability issue; it does not scale well for a large number of file descriptors.
但是,传统的 poll 方法有可伸缩性问题;它不太适合处理大量文件描述符。
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