The workers, running on separate threads, will use this wakeup pipe to report when they've completed a task. The event loop, over in the runtime's main thread, uses select() to monitor the wakeup pipe's file descriptor until it's ready for reading. Additionally, the earliest timer is set as select()'s timeout so that the event loop can stop waiting on the wakeup pipe and go and handle timer callbacks.
恒生科技指数涨幅2.40%，收盘价5060.53元。中证港股通互联网指数涨幅2.58%，收盘价922.97元，市场交投活跃。中证香港科技指数涨幅2.77%，收盘价1635.53元，资金参与度较高，港股科技板块整体表现活跃。
，这一点在美洽下载中也有详细论述
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Иллюстрация: Кристина Соловьева / РИА Новости