define RSTRING_NOT_MODIFIED for rbx, and an insane perf boost

nelhage · Mar 23, 2011 · c131c7e · c131c7e
1 parent 193779d
commit c131c7e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/ext/rugged/rugged.h b/ext/rugged/rugged.h
@@ -26,6 +26,11 @@
 #ifndef __H_RUGGED_BINDINGS__
 #define __H_RUGGED_BINDINGS__
 
+// tell rbx not to use it's caching compat layer
+// by doing this we're making a promize to RBX that
+// we'll never modify the pointers we get back from RSTRING_PTR
+#define RSTRING_NOT_MODIFIED
+
 #include <ruby.h>
 
 #include <assert.h>