shell

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

void HandlerSigHUP(int signal);
char prompt[100];
int rdp;

int main(int argc , char *argv[]){

	int fp,rd,i=0;

	char buffer[100];
	printf("%d\n",getpid());

	fp=open("shell.conf",O_RDONLY,0666);
	rdp = read(fp,prompt,sizeof(prompt));

	close(fp);
	signal(SIGHUP,HandlerSigHUP);
	while(i==0){

		write(0,prompt,rdp-1);
		rd=read(0,buffer,sizeof(buffer));
		write(0,buffer,rd);
	}


	return 0;
}

void HandlerSigHUP(int signal){

	int fp;
	printf("dfj\n");
	if(signal == SIGHUP){
		fp=open("shell.conf",O_RDONLY,0666);
		rdp=read(fp,prompt,sizeof(prompt));
		write(0,prompt,rdp-1);
		close(fp);

	}


}