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Signal Handling--ref

发布时间:2021-01-25 01:18:04 所属栏目:Linux 来源:网络整理
导读:signal is a software interrupt delivered to a process. The operating system uses signals to report exceptional situations to an executing program. Some signals report errors such as references to invalid memory addresses; others report asy

Ifoldstackis not a null pointer,information about the currently installed signal stack is returned in the location it points to. Ifstackis not a null pointer,then this is installed as the new stack for use by signal handlers.

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