src/java.base/share/classes/java/nio/Bits.java

*** 30,39 ****
--- 30,41 ----
  import jdk.internal.misc.JavaNioAccess;
  import jdk.internal.misc.JavaLangRefAccess;
  import jdk.internal.misc.SharedSecrets;
  import jdk.internal.misc.Unsafe;
  import jdk.internal.misc.VM;
+ import jdk.internal.ref.CleanerFactory;
+ import jdk.internal.ref.CleanerImpl;
  
  /**
   * Access to bits, native and otherwise.
   */
  
*** 624,637 ****
              return;
          }
  
          final JavaLangRefAccess jlra = SharedSecrets.getJavaLangRefAccess();
  
!         // retry while helping enqueue pending Reference objects
!         // which includes executing pending Cleaner(s) which includes
!         // Cleaner(s) that free direct buffer memory
!         while (jlra.tryHandlePendingReference()) {
              if (tryReserveMemory(size, cap)) {
                  return;
              }
          }
  
--- 626,641 ----
              return;
          }
  
          final JavaLangRefAccess jlra = SharedSecrets.getJavaLangRefAccess();
  
!         // retry while:
!         // - helping enqueue pending Reference objects which includes Cleanable(s)
!         // - helping processing the queue of Cleanable(s) which includes the ones
!         //   that free direct buffer memory
!         while (jlra.tryHandlePendingReference() | // use non-short-circuit or
!                CleanerImpl.getCleanerImpl(CleanerFactory.cleaner()).drainQueue()) {
              if (tryReserveMemory(size, cap)) {
                  return;
              }
          }
  
*** 649,659 ****
                      return;
                  }
                  if (sleeps >= MAX_SLEEPS) {
                      break;
                  }
!                 if (!jlra.tryHandlePendingReference()) {
                      try {
                          Thread.sleep(sleepTime);
                          sleepTime <<= 1;
                          sleeps++;
                      } catch (InterruptedException e) {
--- 653,664 ----
                      return;
                  }
                  if (sleeps >= MAX_SLEEPS) {
                      break;
                  }
!                 if (!jlra.tryHandlePendingReference() & // use non-short-circuit and
!                     !CleanerImpl.getCleanerImpl(CleanerFactory.cleaner()).drainQueue()) {
                      try {
                          Thread.sleep(sleepTime);
                          sleepTime <<= 1;
                          sleeps++;
                      } catch (InterruptedException e) {