Signal Handling Interview Question:

What will happen as we press the "Ctrl+c" key after running this program?

#include<stdio.h>
#include<signal.h>

void response (int);
void response (int sig_no)
{
printf("Linuxn");
}
int main()
{
signal(SIGINT,response);
while(1){
printf("googlen");
sleep(1);
}
return 0;
}
a) the string "Linux" will print
b) the process will be terminated after printing the string "Linux"
c) the process will terminate
d) none of the mentioned

Submitted by: Murtaza

a) the string "Linux" will print
Explanation:
The signal handler function "response" executes after recieving the signal SIGINT.
Output:
[root@localhost google]# gcc -o san san.c
[root@localhost google]# ./san
google
google
google
^CLinux
google
google
^CLinux
google
google
^CLinux
google
^Z
[2]+ Stopped ./san
[root@localhost google]#
Submitted by: Murtaza