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In most cases, if a process is sent a signal while it is executing a system call ____________

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In most cases, if a process is sent a signal while it is executing a system call ____________

(a) the system call will continue execution and the signal will be ignored completely

(b) the system call is interrupted by the signal, and the signal handler comes in

(c) the signal has no effect until the system call completes

(d) none of the mentioned

I got this question during an online interview.

Query is from Signal Handling topic in portion The Linux System of Operating System

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Right option is (c) the signal has no effect until the system call completes

The best I can explain: None.

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