Unsafe

Value Members

1. final def !=(arg0: Any): Boolean

   

   Definition Classes

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2. final def ##(): Int

   

   Definition Classes

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3. final def ==(arg0: Any): Boolean

   

   Definition Classes

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4. def arrayBaseOffset(clazz: Class[_]): Int

   

   Gets the offset from the start of an array object's memory to the memory used to store its initial (zeroeth) element.

   Gets the offset from the start of an array object's memory to the memory used to store its initial (zeroeth) element.

   clazz

   non-null; class in question; must be an array class

   returns

   the offset to the initial element

5. def arrayIndexScale(clazz: Class[_ <: Array[_]]): Int

   

   Gets the size of each element of the given array class.

   Gets the size of each element of the given array class.

   clazz

   non-null; class in question; must be an array class

   returns

   > 0; the size of each element of the array

6. final def asInstanceOf[T0]: T0

   

   Definition Classes

   Any

7. def clone(): AnyRef

   

   Attributes

   protected[java.lang]

   Definition Classes

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   Annotations

   @throws( ... )

8. def compareAndSwapInt(obj: AnyRef, offset: Long, expect: Int, update: Int): Boolean

   

   Performs a compare-and-set operation on an int field within the given object.

   Performs a compare-and-set operation on an int field within the given object.

   obj

   non-null; object containing the field

   offset

   offset to the field within obj

   expect

   expected value of the field

   update

   new value to store in the field if the contents are as expected

   returns

   true if the new value was in fact stored, false otherwise

9. def compareAndSwapLong(obj: AnyRef, offset: Long, expect: Long, update: Long): Boolean

   

   Performs a compare-and-set operation on an long field within the given object.

   Performs a compare-and-set operation on an long field within the given object.

   obj

   non-null; object containing the field

   offset

   offset to the field within obj

   expect

   expected value of the field

   update

   new value to store in the field if the contents are as expected

   returns

   true if the new value was in fact stored, false otherwise

10. def compareAndSwapObject(obj: AnyRef, offset: Long, expect: AnyRef, update: AnyRef): Boolean

    

    Performs a compare-and-set operation on an AnyRef field (that is, a reference field) within the given object.

    Performs a compare-and-set operation on an AnyRef field (that is, a reference field) within the given object.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    expect

    expected value of the field

    update

    new value to store in the field if the contents are as expected

    returns

    true if the new value was in fact stored, false otherwise

11. final def eq(arg0: AnyRef): Boolean

    

    Definition Classes

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12. def equals(arg0: Any): Boolean

    

    Definition Classes

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13. def finalize(): Unit

    

    Attributes

    protected[java.lang]

    Definition Classes

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    Annotations

    @throws( classOf[java.lang.Throwable] )

14. final def getClass(): Class[_]

    

    Definition Classes

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15. def getIntVolatile(obj: AnyRef, offset: Long): Int

    

    Gets an Int field from the given object, using volatile semantics.

    Gets an Int field from the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    returns

    the retrieved value

16. def getLong(obj: AnyRef, offset: Long): Long

    

    Gets a long field from the given object.

    Gets a long field from the given object.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    returns

    the retrieved value

17. def getLongVolatile(obj: AnyRef, offset: Long): Long

    

    Gets a Long field from the given object, using volatile semantics.

    Gets a Long field from the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    returns

    the retrieved value

18. def getObject(obj: AnyRef, offset: Long): AnyRef

    

    Gets an object field from the given object.

    Gets an object field from the given object.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    returns

    the retrieved value

19. def getObjectVolatile(obj: AnyRef, offset: Long): AnyRef

    

    Gets an AnyRef field from the given object, using volatile semantics.

    Gets an AnyRef field from the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    returns

    the retrieved value

20. def hashCode(): Int

    

    Definition Classes

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21. final def isInstanceOf[T0]: Boolean

    

    Definition Classes

    Any

22. final def ne(arg0: AnyRef): Boolean

    

    Definition Classes

    AnyRef

23. final def notify(): Unit

    

    Definition Classes

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24. final def notifyAll(): Unit

    

    Definition Classes

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25. def objectFieldOffset(field: Field): Long

    

    Gets the raw byte offset from the start of an object's memory to the memory used to store the indicated instance field.

    Gets the raw byte offset from the start of an object's memory to the memory used to store the indicated instance field.

    field

    non-null; the field in question, which must be an instance field

    returns

    the offset to the field

26. def park(absolute: Boolean, time: Long): Unit

    

    Parks the calling thread for the specified amount of time, unless the "permit" for the thread is already available (due to a previous call to unpark.

    Parks the calling thread for the specified amount of time, unless the "permit" for the thread is already available (due to a previous call to unpark. This method may also return spuriously (that is, without the thread being told to unpark and without the indicated amount of time elapsing).

    absolute

    whether the given time value is absolute milliseconds-since-the-epoch (true) or relative nanoseconds-from-now (false)

    time

    the (absolute millis or relative nanos) time value

27. def putIntVolatile(obj: AnyRef, offset: Long, update: Int): Unit

    

    Stores an Int field into the given object, using volatile semantics.

    Stores an Int field into the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    update

    the value to store

28. def putLong(obj: AnyRef, offset: Long, update: Long): Unit

    

    Stores a long field into the given object.

    Stores a long field into the given object.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    update

    the value to store

29. def putLongVolatile(obj: AnyRef, offset: Long, update: Long): Unit

    

    Stores an Long field into the given object, using volatile semantics.

    Stores an Long field into the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    update

    the value to store

30. def putObject(obj: AnyRef, offset: Long, update: AnyRef): Unit

    

    Stores a object field into the given object.

    Stores a object field into the given object.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    update

    the value to store

31. def putObjectVolatile(obj: AnyRef, offset: Long, update: AnyRef): Unit

    

    Stores an AnyRef field into the given object, using volatile semantics.

    Stores an AnyRef field into the given object, using volatile semantics.

    obj

    non-null; object containing the field

    offset

    offset to the field within obj

    update

    the value to store

32. def putOrderedInt(obj: AnyRef, offset: Long, update: Int): Unit

    

    Lazy set an Int field.

33. def putOrderedLong(obj: AnyRef, offset: Long, update: Long): Unit

    

    Lazy set a Long field.

34. def putOrderedObject(obj: AnyRef, offset: Long, update: AnyRef): Unit

    

    Lazy set an AnyRef field.

35. def staticFieldBase(field: Field): AnyRef

    

    Report the location of a given static field, in conjunction with staticFieldOffset.

    Report the location of a given static field, in conjunction with staticFieldOffset.

    Fetch the base "Object", if any, with which static fields of the given class can be accessed via methods like getIntVolatile. This value may be null. This value may refer to an object which is a "cookie", not guaranteed to be a real Object, and it should not be used in any way except as argument to the get and put routines in this class.

36. def staticFieldOffset(field: Field): Long

    

    Gets the raw byte offset from the start of an object's memory to the memory used to store the indicated static field.

    Gets the raw byte offset from the start of an object's memory to the memory used to store the indicated static field.

    field

    non-null; the field in question, which must be a static field

    returns

    the offset to the field

37. final def synchronized[T0](arg0: ⇒ T0): T0

    

    Definition Classes

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38. def toString(): String

    

    Definition Classes

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39. def unpark(thread: Thread): Unit

    

    Unparks the given object, which must be a Thread.

    Unparks the given object, which must be a Thread.

    See java.util.concurrent.locks.LockSupport for more in-depth information of the behavior of this method.

    thread

    non-null; the thread to unpark

40. final def wait(): Unit

    

    Definition Classes

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    @throws( ... )

41. final def wait(arg0: Long, arg1: Int): Unit

    

    Definition Classes

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    @throws( ... )

42. final def wait(arg0: Long): Unit

    

    Definition Classes

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    @throws( ... )