check return code of chdir and send SIGTERM to the childs when we shutdown

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@827 152afb58-edef-0310-8abb-c4023f1b3aa9

src/server.c

@@ -96,15 +96,15 @@ static void daemonize(void) {
 #ifdef SIGTSTP
 	signal(SIGTSTP, SIG_IGN);
 #endif
-	if (fork() != 0) exit(0);
+	if (0 != fork()) exit(0);
 	
-	if (setsid() == -1) exit(0);
+	if (-1 == setsid()) exit(0);
 
 	signal(SIGHUP, SIG_IGN);
 
-	if (fork() != 0) exit(0);
+	if (0 != fork()) exit(0);
 	
-	chdir("/");
+	if (0 != chdir("/")) exit(0);
 	
 	umask(0);
 }
@@ -829,6 +829,9 @@ int main (int argc, char **argv) {
 				num_childs++;
 			}
 		}
+		if (srv_shutdown) {
+			kill(0, SIGTERM);
+		}
 		if (!child) return 0;
 	}
 #endif