mdmon: don't fork if DEBUG

mdmon.c

@@ -169,6 +169,19 @@ static void wake_me(int sig)
 
 }
 
+/* if we are debugging and starting mdmon by hand then don't fork */
+static int do_fork(void)
+{
+	#ifdef DEBUG
+	if (env_no_mdmon())
+		return 0;
+	#endif
+
+	return 1;
+}
+
+
+
 int main(int argc, char *argv[])
 {
 	int mdfd;
@@ -196,6 +209,7 @@ int main(int argc, char *argv[])
 	}
 
 	/* Fork, and have the child tell us when they are ready */
+	if (do_fork()) {
 		pipe(pfd);
 		switch(fork()) {
 		case -1:
@@ -213,6 +227,8 @@ int main(int argc, char *argv[])
 			}
 			exit(status);
 		}
+	} else
+		pfd[0] = pfd[1] = -1;
 	/* hopefully it is a container - we'll check later */
 
 	container = malloc(sizeof(*container));