src/java.base/share/classes/jdk/internal/access/JavaLangAccess.java

*** 35,44 ****
--- 35,45 ----
  import java.security.AccessControlContext;
  import java.security.ProtectionDomain;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
+ import java.util.concurrent.Callable;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.stream.Stream;
  
  import jdk.internal.module.ServicesCatalog;
  import jdk.internal.reflect.ConstantPool;
*** 317,322 ****
--- 318,390 ----
       *
       * @param caller on behalf of which the library is being loaded
       * @param library name of the library to load
       */
      void loadLibrary(Class<?> caller, String library);
+ 
+     /**
+      * Returns a reference to the Thread object for the currently executing
+      * carrier thread.
+      */
+     Thread currentCarrierThread();
+ 
+     /**
+      * Executes the given value returning task on the current carrier thread.
+      */
+     <R> R executeOnCarrierThread(Callable<R> task) throws Exception;
+ 
+     /**
+      * Returns the value in the current carrier thread's copy of a
+      * thread-local variable.
+      */
+     <T> T getCarrierThreadLocal(ThreadLocal<T> local);
+ 
+     /**
+      * Returns the Fiber for the given shadow Thread object. Returns null if
+      * the thread is not a shadow thread.
+      */
+     Fiber<?> getFiber(Thread t);
+ 
+     /**
+      * Returns the shadow thread for the given fiber or null if it does not
+      * have a shadow thread.
+      */
+     Thread getShadowThread(Fiber<?> f);
+ 
+     /**
+      * Returns the currently executing strand. If executed from a running fiber
+      * then the {@link Fiber} object will be returned, otherwise the {@code
+      * Thread} object.
+      */
+     Object currentStrand();
+ 
+     /**
+      * Interrupt the given strand.
+      */
+     void interrupt(Object strand);
+ 
+     /**
+      * Returns the current strand's interrupt status
+      */
+     boolean isInterrupted();
+ 
+     /**
+      * Clear the current strand's interrupt status
+      */
+     boolean clearInterrupt();
+ 
+     /**
+      * Disables the current fiber for scheduling purposes.
+      */
+     void parkFiber();
+ 
+     /**
+      * Disables the current fiber for scheduling purposes for up to the
+      * given waiting time.
+      */
+     void parkFiber(long nanos);
+ 
+     /**
+      * Re-enables a fiber for scheduling.
+      */
+     void unparkFiber(Fiber<?> fiber);
  }