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Which among the following POSIX signals generate events?

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Which among the following POSIX signals generate events?

(a) SIGDOWN

(b) SIGFLOAT

(c) SIGINT

(d) SIGSHORT

I have been asked this question in final exam.

This question is from Server-Side JavaScript topic in chapter Server-Side and Client-Side Scripting of JavaScript

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The correct option is (c) SIGINT

The explanation is: The SIGINT is a POSIX signal that generates event. Simple code like below can do a proper clean up and exit on CTRL-C or SIGINT passed from command line / other application to the nodejs app’s ProcessID.

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