Signal Handling Question: Download Questions PDF
What is the output of the below code?
void sig_handler ( int signum) {
printf("Handled the signaln");
}
int main() {
int pid;
signal (SIGKILL, sig_handler);
pid = fork();
if (pid==0) {
kill(getppid(), SIGKILL);
exit(0);
} else {
sleep(20);
}
return 0;
}
a) Error child cannot send a SIGKILL signal to parent.
b) Parent goes to the signal handler, prints handled the signal and goes back to sleep
c) Parent goes to the signal handler, prints handled the signal and exits
d) Parent exits without going to the signal handler
![Linux Signal Handling Interview Answer Linux Signal Handling Interview Question](https://globalguideline.com/public/images/interview/18.png)
Answer:
d) Parent exits without going to the signal handler
Download Linux Signal Handling Interview Questions And Answers
PDF