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Which system call is used to set a timer that generates the SIGALARM signal?

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Which system call is used to set a timer that generates the SIGALARM signal?

(a) pause

(b) alarm

(c) read

(d) signal

This question was posed to me in an international level competition.

Origin of the question is Process Control System Calls in section System Programming II – Process Control & Unix System Performance of Unix

1 Answer

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The correct answer is (b) alarm

For explanation I would say: The alarm call is used to set a timer that generates the SIGALRM signal after the timeout period.

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