在声明变量(大多数将在稍后进行焦点超时检查时使用)后，程序将进入一个循环，对stdin侦听Synergy事件。

After declaring variables (most of which are used later in the focus timeout checks), the program enters a loop listening for Synergy events on STDIN.

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在缺省情况下，过时超时属性设置为0，这意味着维护线程从不执行此检查。

By default, the Aged timeout property is set to 0, which means that the maintenance thread will never perform this check.

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服务器检查可用更新信息，如果没有更新信息，服务器将延迟完成HTTP请求，直到可用信息出现或者超时。

The server checks for any available updates and if there are no updates, the server delays completing the HTTP request until either there is information available or a timeout occurs.

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