diff -r cc19612c6b9f -r 91935236600e hotspot/src/share/vm/prims/jvm.h
--- a/hotspot/src/share/vm/prims/jvm.h	Mon Oct 10 21:01:36 2011 -0400
+++ b/hotspot/src/share/vm/prims/jvm.h	Thu Oct 13 09:35:42 2011 -0700
@@ -291,6 +291,9 @@
 JNIEXPORT jobjectArray JNICALL
 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
 
+JNIEXPORT void JNICALL
+JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
+
 /* getStackTrace() and getAllStackTraces() method */
 JNIEXPORT jobjectArray JNICALL
 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);