double fork to daemonize

src/daemonize.c

@@ -62,6 +62,13 @@ void daemonize(){
 
     setsid();
 
+    /*
+     * Double fork method
+     */
+    pid = fork();
+    if(pid < 0) exit(1);
+    if(pid > 0) exit(0);
+
     for(i = getdtablesize(); i >= 0; --i) close(i);
 
     lfp = open("/dev/null",O_RDWR);