19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_REFERENCETYPE_HPP
  26 #define SHARE_VM_MEMORY_REFERENCETYPE_HPP
  27 
  28 #include "utilities/debug.hpp"
  29 
  30 // ReferenceType is used to distinguish between java/lang/ref/Reference subclasses
  31 
  32 enum ReferenceType {
  33   REF_NONE,      // Regular class
  34   REF_OTHER,     // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
  35   REF_SOFT,      // Subclass of java/lang/ref/SoftReference
  36   REF_WEAK,      // Subclass of java/lang/ref/WeakReference
  37   REF_FINAL,     // Subclass of java/lang/ref/FinalReference
  38   REF_PHANTOM,   // Subclass of java/lang/ref/PhantomReference
  39   REF_CLEANER    // Subclass of sun/misc/Cleaner
  40 };
  41 
  42 #endif // SHARE_VM_MEMORY_REFERENCETYPE_HPP

  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_REFERENCETYPE_HPP
  26 #define SHARE_VM_MEMORY_REFERENCETYPE_HPP
  27 
  28 #include "utilities/debug.hpp"
  29 
  30 // ReferenceType is used to distinguish between java/lang/ref/Reference subclasses
  31 
  32 enum ReferenceType {
  33   REF_NONE,      // Regular class
  34   REF_OTHER,     // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
  35   REF_SOFT,      // Subclass of java/lang/ref/SoftReference
  36   REF_WEAK,      // Subclass of java/lang/ref/WeakReference
  37   REF_FINAL,     // Subclass of java/lang/ref/FinalReference
  38   REF_PHANTOM,   // Subclass of java/lang/ref/PhantomReference
  39   REF_CLEANER    // Subclass of jdk/internal/ref/Cleaner
  40 };
  41 
  42 #endif // SHARE_VM_MEMORY_REFERENCETYPE_HPP