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// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*-

#ifndef __java_util_concurrent_Exchanger__

#define __java_util_concurrent_Exchanger__

#pragma interface

#include <java/lang/Object.h>

#include <gcj/array.h>

class java::util::concurrent::Exchanger : public ::java::lang::Object

{

  ::java::lang::Object * doExchange(::java::lang::Object *, jboolean, jlong);

  jint hashIndex();

  void createSlot(jint);

  static jboolean tryCancel(::java::util::concurrent::Exchanger$Node *, ::java::util::concurrent::Exchanger$Slot *);

  static ::java::lang::Object * spinWait(::java::util::concurrent::Exchanger$Node *, ::java::util::concurrent::Exchanger$Slot *);

  static ::java::lang::Object * await(::java::util::concurrent::Exchanger$Node *, ::java::util::concurrent::Exchanger$Slot *);

  ::java::lang::Object * awaitNanos(::java::util::concurrent::Exchanger$Node *, ::java::util::concurrent::Exchanger$Slot *, jlong);

  ::java::lang::Object * scanOnTimeout(::java::util::concurrent::Exchanger$Node *);

public:

  Exchanger();

  virtual ::java::lang::Object * exchange(::java::lang::Object *);

  virtual ::java::lang::Object * exchange(::java::lang::Object *, jlong, ::java::util::concurrent::TimeUnit *);

private:

  static jint NCPU;

  static const jint CAPACITY = 32;

  static jint FULL;

  static jint SPINS;

  static jint TIMED_SPINS;

  static ::java::lang::Object * CANCEL;

  static ::java::lang::Object * NULL_ITEM;

  JArray< ::java::util::concurrent::Exchanger$Slot * > * volatile __attribute__((aligned(__alignof__( ::java::lang::Object)))) arena;

  ::java::util::concurrent::atomic::AtomicInteger * max;

public:

  static ::java::lang::Class class$;

};

#endif // __java_util_concurrent_Exchanger__