#include<stdio.h>
#include<stdlib.h>
#include<signal.h>
#include<unistd.h>
#include<sys/types.h>

void sighup()
{
	signal(SIGHUP,sighup);
	printf("Received SIGHUP! Happy Now ??\n");
}

void sigbus()
{
	signal(SIGBUS,sigbus);
	printf("received SIGBUS! Get a life dude !\n");
}

void sigquit()
{
	printf("I am done with you. Bye!!\n");
	fflush(stdout);
	exit(0);
}

int main()
{	
	int pid = fork();
	
	if (pid < 0)
	{
		perror("fork");
		exit(1);
	}
	
	if (pid == 0)
	{	
		printf("child\n");
		
		signal(SIGHUP,sighup);
		signal(SIGBUS,sigbus);
		signal(SIGQUIT,sigquit);
		while(1)
		{
			;
		}
	}
	else
	{
		printf("parent\n");
		kill(pid, SIGHUP);
		kill(pid, SIGBUS);
		kill(pid, SIGQUIT);
		
		wait();
	}
}