Listing 2 shows an example method with both entry and exit points.

清单2展示带有入口点和出口点这两者的示例方法。

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Avoid placing probes at function entry and exit points.

不要把探测放在函数进入点和退出点。

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If you make a kernel extension key-aware, you must add explicit protection gates, typically at all entry and exit points of your module.

如果您需要使内核扩展成为可识别键的内核扩展，那么您必须添加显式的保护门，通常在您的模块的所有条目和退出点处。

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Police have now sealed off all entry and exit points in Multan, and a massive search operation is under way, local media report.

BBC: Asia

"People were trapped inside as most of the entry and exit points in the building were locked, " Mr. Khan said on television news channels.

WSJ: At Least 19 Killed in Kolkata Fire in India