1 files changed, 42 insertions, 0 deletions
diff --git a/mydtrace.h b/mydtrace.h
new file mode 100644
index 0000000000..daabcfa0b9
--- /dev/null
+++ b/mydtrace.h
@@ -0,0 +1,42 @@
+/*    mydtrace.h
+ *
+ *    Copyright (C) 2008, by Larry Wall and others
+ *
+ *    You may distribute under the terms of either the GNU General Public
+ *    License or the Artistic License, as specified in the README file.
+ *
+ *	Provides macros that wrap the various DTrace probes we use. We add
+ *	an extra level of wrapping to encapsulate the _ENABLED tests.
+ */
+
+#if defined(USE_DTRACE) && defined(PERL_CORE)
+
+#  include "perldtrace.h"
+
+#  define ENTRY_PROBE(func, file, line) 	\
+    if (PERL_SUB_ENTRY_ENABLED()) {		\
+	PERL_SUB_ENTRY(func, file, line); 	\
+    }
+
+#  define RETURN_PROBE(func, file, line)	\
+    if (PERL_SUB_RETURN_ENABLED()) {		\
+	PERL_SUB_RETURN(func, file, line); 	\
+    }
+
+#else
+
+/* NOPs */
+#  define ENTRY_PROBE(func, file, line)
+#  define RETURN_PROBE(func, file, line)
+
+#endif
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */