src/hotspot/share/runtime/javaThread.inline.hpp

@@ -34,11 +34,13 @@
  #include "oops/instanceKlass.hpp"
  #include "oops/oopHandle.inline.hpp"
  #include "runtime/atomic.hpp"
  #include "runtime/continuation.hpp"
  #include "runtime/continuationEntry.inline.hpp"
+ #include "runtime/lockStack.inline.hpp"
  #include "runtime/nonJavaThread.hpp"
+ #include "runtime/objectMonitor.inline.hpp"
  #include "runtime/orderAccess.hpp"
  #include "runtime/safepoint.hpp"
  
  inline void JavaThread::set_suspend_flag(SuspendFlags f) {
    uint32_t flags;

@@ -237,6 +239,29 @@
  
  inline InstanceKlass* JavaThread::class_to_be_initialized() const {
    return _class_to_be_initialized;
  }
  
+ inline void JavaThread::om_set_monitor_cache(ObjectMonitor* monitor) {
+   assert(UseObjectMonitorTable, "must be");
+   assert(monitor != nullptr, "use om_clear_monitor_cache to clear");
+   assert(this == current() || monitor->owner_raw() == this, "only add owned monitors for other threads");
+   assert(this == current() || is_obj_deopt_suspend(), "thread must not run concurrently");
+ 
+   _om_cache.set_monitor(monitor);
+ }
+ 
+ inline void JavaThread::om_clear_monitor_cache() {
+   if (!UseObjectMonitorTable) {
+     return;
+   }
+ 
+   _om_cache.clear();
+ }
+ 
+ inline ObjectMonitor* JavaThread::om_get_from_monitor_cache(oop obj) {
+   assert(obj != nullptr, "do not look for null objects");
+   assert(this == current(), "only get own thread locals");
+   return _om_cache.get_monitor(obj);
+ }
+ 
  #endif // SHARE_RUNTIME_JAVATHREAD_INLINE_HPP