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Signal Handling--ref

发布时间:2021-01-25 08:01:09 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

The shell commandkillgeneratesSIGTERMby default.

intSIGINT
TheSIGINT("program interrupt") signal is sent when the user types the INTR character (normallyC-c). See section,for information about terminal driver support forC-c.
intSIGQUIT
TheSIGQUITsignal is similar toSIGINT,except that it's controlled by a different key--the QUIT character,usuallyC----and produces a core dump when it terminates the process,just like a program error signal. You can think of this as a program error condition "detected" by the user.

See section,for information about core dumps. See section,for information about terminal driver support.

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