#include<unistd.h>
#include<time.h>
#include<stdio.h>
#include<fcntl.h>

int main(){
	pid_t pid = fork();
	if(pid)
		return 0;
	setsid();
	int logfd = open("daemon_log", O_WRONLY | O_CREAT | O_APPEND, 0644);
	if(logfd == -1){
		perror("open");
		return 1;
	}
	dup2(logfd, 1);
	while(1){
		printf("beep\n");
		fflush(stdout);
		sleep(1);
	}
	return 0;
}