Software_System_HL2/8a.c at main · Coder-Galaxy/Software_System_HL2 · GitHub

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/*
============================================================================
Name : 8a
Author : Piyush Singh
Description : Write a separate program using signal system call to catch the following signals.
a. SIGSEGV
b. SIGINT
c. SIGFPE
d. SIGALRM (use alarm system call)
e. SIGALRM (use setitimer system call)
f. SIGVTALRM (use setitimer system call)
g. SIGPROF (use setitimer system call)
Date: 19th Sep, 2025.
============================================================================
*/

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

void handler(int sig)
{
    printf("🚨 Caught SIGSEGV (Segmentation Fault)\n");
    exit(1);
}

int main()
{
    signal(SIGSEGV, handler);

    int *ptr = NULL;
    *ptr = 42; // Intentional segmentation fault

    return 0;
}

/*
Output:
./8a                                                                       ─╯
🚨 Caught SIGSEGV (Segmentation Fault)
*/