1 files changed, 18 insertions, 0 deletions
diff --git a/runtime/runtime.h b/runtime/runtime.h
index 1a70da3f..1be35b77 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -1,3 +1,12 @@
+/* main header file
+ * Copyright (C) 2005 Red Hat Inc.
+ *
+ * This file is part of systemtap, and is free software.  You can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License (GPL); either version 2, or (at your option) any
+ * later version.
+ */
+
 #ifndef _RUNTIME_H_
 #define _RUNTIME_H_
 /** @file runtime.h
@@ -20,7 +29,16 @@
 #include <asm/uaccess.h>
 #include <linux/kallsyms.h>
 
+#ifdef DEBUG
+/** Prints debug line.
+ * This function prints a debug message immediately to stpd. 
+ * If the last character is not a newline, then one is added. 
+ * @param args A variable number of args in a format like printf.
+ */
+#define dbug(args...) _stp_dbug(__FUNCTION__, __LINE__, args)
+#else
 #define dbug(args...) ;
+#endif /* DEBUG */
 
 /* atomic globals */
 static atomic_t _stp_transport_failures = ATOMIC_INIT (0);