Unsafe

Artifact: androidx.performance:performance-unsafe

View Source

Added in 1.0.0-alpha01

---

Kotlin |Java

class Unsafe

---

Summary

Constants
const Int	INVALID_FIELD_OFFSET = -1

Public functions
native Int	addressSize()
native Any!	allocateInstance(c: Class<Any!>!)
native Long	allocateMemory(bytes: Long)
Int	arrayBaseOffset(clazz: Class<Any!>!)
Int	arrayIndexScale(clazz: Class<Any!>!)
native Boolean	compareAndSwapInt(obj: Any!, offset: Long, expectedValue: Int, newValue: Int)
native Boolean	compareAndSwapLong(     obj: Any!,     offset: Long,     expectedValue: Long,     newValue: Long )
native Boolean	compareAndSwapObject(     obj: Any!,     offset: Long,     expectedValue: Any!,     newValue: Any! )
native Unit	copyMemory(srcAddr: Long, dstAddr: Long, bytes: Long)
native Unit	copyMemoryFromPrimitiveArray(     src: Any!,     srcOffset: Long,     dstAddr: Long,     bytes: Long )
native Unit	copyMemoryToPrimitiveArray(     srcAddr: Long,     dst: Any!,     dstOffset: Long,     bytes: Long )
native Unit	freeMemory(address: Long)
native Unit	fullFence()
Int	getAndAddInt(o: Any!, offset: Long, delta: Int)
Long	getAndAddLong(o: Any!, offset: Long, delta: Long)
Int	getAndSetInt(o: Any!, offset: Long, newValue: Int)
Long	getAndSetLong(o: Any!, offset: Long, newValue: Long)
Any!	getAndSetObject(o: Any!, offset: Long, newValue: Any!)
native Boolean	getBoolean(obj: Any!, offset: Long)
native Byte	getByte(address: Long)
native Byte	getByte(obj: Any!, offset: Long)
native Char	getChar(address: Long)
native Char	getChar(obj: Any!, offset: Long)
native Double	getDouble(address: Long)
native Double	getDouble(obj: Any!, offset: Long)
native Float	getFloat(address: Long)
native Float	getFloat(obj: Any!, offset: Long)
native Int	getInt(address: Long)
native Int	getInt(obj: Any!, offset: Long)
native Int	getIntVolatile(obj: Any!, offset: Long)
native Long	getLong(address: Long)
native Long	getLong(obj: Any!, offset: Long)
native Long	getLongVolatile(obj: Any!, offset: Long)
native Any!	getObject(obj: Any!, offset: Long)
native Any!	getObjectVolatile(obj: Any!, offset: Long)
native Short	getShort(address: Long)
native Short	getShort(obj: Any!, offset: Long)
java-static Unsafe!	getUnsafe()
native Unit	loadFence()
Long	objectFieldOffset(field: Field!)
native Int	pageSize()
Unit	park(absolute: Boolean, time: Long)
native Unit	putBoolean(obj: Any!, offset: Long, newValue: Boolean)
native Unit	putByte(address: Long, x: Byte)
native Unit	putByte(obj: Any!, offset: Long, newValue: Byte)
native Unit	putChar(address: Long, x: Char)
native Unit	putChar(obj: Any!, offset: Long, newValue: Char)
native Unit	putDouble(address: Long, x: Double)
native Unit	putDouble(obj: Any!, offset: Long, newValue: Double)
native Unit	putFloat(address: Long, x: Float)
native Unit	putFloat(obj: Any!, offset: Long, newValue: Float)
native Unit	putInt(address: Long, x: Int)
native Unit	putInt(obj: Any!, offset: Long, newValue: Int)
native Unit	putIntVolatile(obj: Any!, offset: Long, newValue: Int)
native Unit	putLong(address: Long, x: Long)
native Unit	putLong(obj: Any!, offset: Long, newValue: Long)
native Unit	putLongVolatile(obj: Any!, offset: Long, newValue: Long)
native Unit	putObject(obj: Any!, offset: Long, newValue: Any!)
native Unit	putObjectVolatile(obj: Any!, offset: Long, newValue: Any!)
native Unit	putOrderedInt(obj: Any!, offset: Long, newValue: Int)
native Unit	putOrderedLong(obj: Any!, offset: Long, newValue: Long)
native Unit	putOrderedObject(obj: Any!, offset: Long, newValue: Any!)
native Unit	putShort(address: Long, x: Short)
native Unit	putShort(obj: Any!, offset: Long, newValue: Short)
native Unit	setMemory(address: Long, bytes: Long, value: Byte)
native Unit	storeFence()
Unit	unpark(obj: Any!)

Constants

INVALID_FIELD_OFFSET

Added in 1.0.0-alpha01

const val INVALID_FIELD_OFFSET = -1: Int

Public functions

addressSize

Added in 1.0.0-alpha01

native fun addressSize(): Int

allocateInstance

Added in 1.0.0-alpha01

native fun allocateInstance(c: Class<Any!>!): Any!

allocateMemory

Added in 1.0.0-alpha01

native fun allocateMemory(bytes: Long): Long

arrayBaseOffset

Added in 1.0.0-alpha01

fun arrayBaseOffset(clazz: Class<Any!>!): Int

arrayIndexScale

Added in 1.0.0-alpha01

fun arrayIndexScale(clazz: Class<Any!>!): Int

compareAndSwapInt

Added in 1.0.0-alpha01

native fun compareAndSwapInt(obj: Any!, offset: Long, expectedValue: Int, newValue: Int): Boolean

compareAndSwapLong

Added in 1.0.0-alpha01

native fun compareAndSwapLong(
    obj: Any!,
    offset: Long,
    expectedValue: Long,
    newValue: Long
): Boolean

compareAndSwapObject

Added in 1.0.0-alpha01

native fun compareAndSwapObject(
    obj: Any!,
    offset: Long,
    expectedValue: Any!,
    newValue: Any!
): Boolean

copyMemory

Added in 1.0.0-alpha01

native fun copyMemory(srcAddr: Long, dstAddr: Long, bytes: Long): Unit

copyMemoryFromPrimitiveArray

Added in 1.0.0-alpha01

native fun copyMemoryFromPrimitiveArray(
    src: Any!,
    srcOffset: Long,
    dstAddr: Long,
    bytes: Long
): Unit

copyMemoryToPrimitiveArray

Added in 1.0.0-alpha01

native fun copyMemoryToPrimitiveArray(
    srcAddr: Long,
    dst: Any!,
    dstOffset: Long,
    bytes: Long
): Unit

freeMemory

Added in 1.0.0-alpha01

native fun freeMemory(address: Long): Unit

fullFence

Added in 1.0.0-alpha01

native fun fullFence(): Unit

getAndAddInt

Added in 1.0.0-alpha01

fun getAndAddInt(o: Any!, offset: Long, delta: Int): Int

getAndAddLong

Added in 1.0.0-alpha01

fun getAndAddLong(o: Any!, offset: Long, delta: Long): Long

getAndSetInt

Added in 1.0.0-alpha01

fun getAndSetInt(o: Any!, offset: Long, newValue: Int): Int

getAndSetLong

Added in 1.0.0-alpha01

fun getAndSetLong(o: Any!, offset: Long, newValue: Long): Long

getAndSetObject

Added in 1.0.0-alpha01

fun getAndSetObject(o: Any!, offset: Long, newValue: Any!): Any!

getBoolean

Added in 1.0.0-alpha01

native fun getBoolean(obj: Any!, offset: Long): Boolean

getByte

Added in 1.0.0-alpha01

native fun getByte(address: Long): Byte

getByte

Added in 1.0.0-alpha01

native fun getByte(obj: Any!, offset: Long): Byte

getChar

Added in 1.0.0-alpha01

native fun getChar(address: Long): Char

getChar

Added in 1.0.0-alpha01

native fun getChar(obj: Any!, offset: Long): Char

getDouble

Added in 1.0.0-alpha01

native fun getDouble(address: Long): Double

getDouble

Added in 1.0.0-alpha01

native fun getDouble(obj: Any!, offset: Long): Double

getFloat

Added in 1.0.0-alpha01

native fun getFloat(address: Long): Float

getFloat

Added in 1.0.0-alpha01

native fun getFloat(obj: Any!, offset: Long): Float

getInt

Added in 1.0.0-alpha01

native fun getInt(address: Long): Int

getInt

Added in 1.0.0-alpha01

native fun getInt(obj: Any!, offset: Long): Int

getIntVolatile

Added in 1.0.0-alpha01

native fun getIntVolatile(obj: Any!, offset: Long): Int

getLong

Added in 1.0.0-alpha01

native fun getLong(address: Long): Long

getLong

Added in 1.0.0-alpha01

native fun getLong(obj: Any!, offset: Long): Long

getLongVolatile

Added in 1.0.0-alpha01

native fun getLongVolatile(obj: Any!, offset: Long): Long

getObject

Added in 1.0.0-alpha01

native fun getObject(obj: Any!, offset: Long): Any!

getObjectVolatile

Added in 1.0.0-alpha01

native fun getObjectVolatile(obj: Any!, offset: Long): Any!

getShort

Added in 1.0.0-alpha01

native fun getShort(address: Long): Short

getShort

Added in 1.0.0-alpha01

native fun getShort(obj: Any!, offset: Long): Short

getUnsafe

Added in 1.0.0-alpha01

java-static fun getUnsafe(): Unsafe!

loadFence

Added in 1.0.0-alpha01

native fun loadFence(): Unit

objectFieldOffset

Added in 1.0.0-alpha01

fun objectFieldOffset(field: Field!): Long

pageSize

Added in 1.0.0-alpha01

native fun pageSize(): Int

park

Added in 1.0.0-alpha01

fun park(absolute: Boolean, time: Long): Unit

putBoolean

Added in 1.0.0-alpha01

native fun putBoolean(obj: Any!, offset: Long, newValue: Boolean): Unit

putByte

Added in 1.0.0-alpha01

native fun putByte(address: Long, x: Byte): Unit

putByte

Added in 1.0.0-alpha01

native fun putByte(obj: Any!, offset: Long, newValue: Byte): Unit

putChar

Added in 1.0.0-alpha01

native fun putChar(address: Long, x: Char): Unit

putChar

Added in 1.0.0-alpha01

native fun putChar(obj: Any!, offset: Long, newValue: Char): Unit

putDouble

Added in 1.0.0-alpha01

native fun putDouble(address: Long, x: Double): Unit

putDouble

Added in 1.0.0-alpha01

native fun putDouble(obj: Any!, offset: Long, newValue: Double): Unit

putFloat

Added in 1.0.0-alpha01

native fun putFloat(address: Long, x: Float): Unit

putFloat

Added in 1.0.0-alpha01

native fun putFloat(obj: Any!, offset: Long, newValue: Float): Unit

putInt

Added in 1.0.0-alpha01

native fun putInt(address: Long, x: Int): Unit

putInt

Added in 1.0.0-alpha01

native fun putInt(obj: Any!, offset: Long, newValue: Int): Unit

putIntVolatile

Added in 1.0.0-alpha01

native fun putIntVolatile(obj: Any!, offset: Long, newValue: Int): Unit

putLong

Added in 1.0.0-alpha01

native fun putLong(address: Long, x: Long): Unit

putLong

Added in 1.0.0-alpha01

native fun putLong(obj: Any!, offset: Long, newValue: Long): Unit

putLongVolatile

Added in 1.0.0-alpha01

native fun putLongVolatile(obj: Any!, offset: Long, newValue: Long): Unit

putObject

Added in 1.0.0-alpha01

native fun putObject(obj: Any!, offset: Long, newValue: Any!): Unit

putObjectVolatile

Added in 1.0.0-alpha01

native fun putObjectVolatile(obj: Any!, offset: Long, newValue: Any!): Unit

putOrderedInt

Added in 1.0.0-alpha01

native fun putOrderedInt(obj: Any!, offset: Long, newValue: Int): Unit

putOrderedLong

Added in 1.0.0-alpha01

native fun putOrderedLong(obj: Any!, offset: Long, newValue: Long): Unit

putOrderedObject

Added in 1.0.0-alpha01

native fun putOrderedObject(obj: Any!, offset: Long, newValue: Any!): Unit

putShort

Added in 1.0.0-alpha01

native fun putShort(address: Long, x: Short): Unit

putShort

Added in 1.0.0-alpha01

native fun putShort(obj: Any!, offset: Long, newValue: Short): Unit

setMemory

Added in 1.0.0-alpha01

native fun setMemory(address: Long, bytes: Long, value: Byte): Unit

storeFence

Added in 1.0.0-alpha01

native fun storeFence(): Unit

unpark

Added in 1.0.0-alpha01

fun unpark(obj: Any!): Unit