In the infinite loop case above, all threads except main are in a waiting state (on a semaphore, or waiting for some event).

在上述死循环的情况下，所有除主线程之外的线程都处于某种等待状态(等待一个信号量，或等待某个事件)。

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The main loop enters an indefinite loop, waiting for events and calling callbacks, until someone calls gtk_main_quit() by closing the window.

主循环进入无限循环，等候事件并调用回调，直到有人关闭窗口，调用 gtk_main_quit() 为止。

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Instead, the program enters a while loop waiting for new connections.

相反，程序进入一个while循环，等待新的连接。

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