--- a/src/hotspot/share/runtime/mutexLocker.hpp Thu Aug 23 12:57:40 2018 -0700
+++ b/src/hotspot/share/runtime/mutexLocker.hpp Thu Aug 23 18:14:53 2018 -0400
@@ -72,6 +72,7 @@
extern Monitor* Safepoint_lock; // a lock used by the safepoint abstraction
extern Monitor* Threads_lock; // a lock on the Threads table of active Java threads
// (also used by Safepoints too to block threads creation/destruction)
+extern Mutex* NamedThreadsList_lock; // a lock on the NamedThreads list
extern Monitor* CGC_lock; // used for coordination between
// fore- & background GC threads.
extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.