8273915: Create 'nosafepoint' rank

Reviewed-by: dholmes, iklam

Author: coleenp

src/hotspot/share/classfile/classLoaderData.cpp

@@ -133,7 +133,7 @@ void ClassLoaderData::initialize_name(Handle class_loader) {
 
 ClassLoaderData::ClassLoaderData(Handle h_class_loader, bool has_class_mirror_holder) :
   _metaspace(NULL),
-  _metaspace_lock(new Mutex(Mutex::leaf-2, "MetaspaceAllocation_lock",
+  _metaspace_lock(new Mutex(Mutex::nosafepoint-2, "MetaspaceAllocation_lock",
                             Mutex::_safepoint_check_never)),
   _unloading(false), _has_class_mirror_holder(has_class_mirror_holder),
   _modified_oops(true),

src/hotspot/share/gc/g1/g1ServiceThread.cpp

@@ -40,8 +40,8 @@ void G1SentinelTask::execute() {
 
 G1ServiceThread::G1ServiceThread() :
     ConcurrentGCThread(),
-    _monitor(Mutex::leaf,
-             "G1ServiceThread monitor",
+    _monitor(Mutex::nosafepoint,
+             "G1ServiceThread_lock",
              Monitor::_safepoint_check_never),
     _task_queue() {
   set_name("G1 Service");

src/hotspot/share/gc/parallel/psCompactionManager.cpp

@@ -92,7 +92,7 @@ void ParCompactionManager::initialize(ParMarkBitMap* mbm) {
 
   _shadow_region_array = new (ResourceObj::C_HEAP, mtGC) GrowableArray<size_t >(10, mtGC);
 
-  _shadow_region_monitor = new Monitor(Mutex::barrier, "CompactionManager monitor",
+  _shadow_region_monitor = new Monitor(Mutex::nosafepoint, "CompactionManager_lock",
                                        Monitor::_safepoint_check_never);
 }
 

src/hotspot/share/gc/shared/taskTerminator.cpp

@@ -72,7 +72,7 @@ TaskTerminator::TaskTerminator(uint n_threads, TaskQueueSetSuper* queue_set) :
   _n_threads(n_threads),
   _queue_set(queue_set),
   _offered_termination(0),
-  _blocker(Mutex::leaf, "TaskTerminator", Monitor::_safepoint_check_never),
+  _blocker(Mutex::nosafepoint, "TaskTerminator_lock", Monitor::_safepoint_check_never),
   _spin_master(NULL) { }
 
 TaskTerminator::~TaskTerminator() {

src/hotspot/share/gc/shared/workgroup.cpp

@@ -245,7 +245,7 @@ void GangWorker::loop() {
 // *** WorkGangBarrierSync
 
 WorkGangBarrierSync::WorkGangBarrierSync()
-  : _monitor(Mutex::safepoint, "work gang barrier sync",
+  : _monitor(Mutex::nosafepoint, "WorkGangBarrierSync_lock",
              Monitor::_safepoint_check_never),
     _n_workers(0), _n_completed(0), _should_reset(false), _aborted(false) {
 }

src/hotspot/share/gc/z/zMessagePort.inline.hpp

@@ -66,8 +66,8 @@ class ZMessageRequest : public StackObj {
 
 template <typename T>
 inline ZMessagePort<T>::ZMessagePort() :
-    _monitor(Monitor::leaf,
-             "ZMessagePort",
+    _monitor(Monitor::nosafepoint,
+             "ZMessagePort_lock",
              Monitor::_safepoint_check_never),
     _has_message(false),
     _seqnum(0),

src/hotspot/share/gc/z/zMetronome.cpp

@@ -28,7 +28,7 @@
 #include "utilities/ticks.hpp"
 
 ZMetronome::ZMetronome(uint64_t hz) :
-    _monitor(Monitor::leaf, "ZMetronome", Monitor::_safepoint_check_never),
+    _monitor(Monitor::nosafepoint, "ZMetronome_lock", Monitor::_safepoint_check_never),
     _interval_ms(MILLIUNITS / hz),
     _start_ms(0),
     _nticks(0),

src/hotspot/share/memory/heapInspection.hpp

@@ -245,7 +245,7 @@ class ParHeapInspectTask : public AbstractGangTask {
       _filter(filter),
       _missed_count(0),
       _success(true),
-      _mutex(Mutex::leaf, "ParHeapInspectTask_lock", Mutex::_safepoint_check_never) {}
+      _mutex(Mutex::nosafepoint, "ParHeapInspectTask_lock", Mutex::_safepoint_check_never) {}
 
   uintx missed_count() const {
     return _missed_count;

src/hotspot/share/memory/metaspace/testHelpers.cpp

@@ -92,7 +92,7 @@ MetaspaceTestContext::~MetaspaceTestContext() {
 // Create an arena, feeding off this area.
 MetaspaceTestArena* MetaspaceTestContext::create_arena(Metaspace::MetaspaceType type) {
   const ArenaGrowthPolicy* growth_policy = ArenaGrowthPolicy::policy_for_space_type(type, false);
-  Mutex* lock = new Mutex(Monitor::leaf, "MetaspaceTestArea-lock", Monitor::_safepoint_check_never);
+  Mutex* lock = new Mutex(Monitor::nosafepoint, "MetaspaceTestArea_lock", Monitor::_safepoint_check_never);
   MetaspaceArena* arena = NULL;
   {
     MutexLocker ml(lock,  Mutex::_no_safepoint_check_flag);

src/hotspot/share/prims/jvmtiTagMap.cpp

@@ -72,7 +72,7 @@ bool JvmtiTagMap::_has_object_free_events = false;
 // create a JvmtiTagMap
 JvmtiTagMap::JvmtiTagMap(JvmtiEnv* env) :
   _env(env),
-  _lock(Mutex::leaf, "JvmtiTagMap_lock", Mutex::_safepoint_check_never),
+  _lock(Mutex::nosafepoint, "JvmtiTagMap_lock", Mutex::_safepoint_check_never),
   _needs_rehashing(false),
   _needs_cleaning(false) {