com.oracle.truffle.api.memory

Class MemoryFence

java.lang.Object

com.oracle.truffle.api.memory.MemoryFence

public final class MemoryFence
extends Object

Provides memory fence methods for fine-grained control of memory ordering. Their semantics follow the semantics of the same static methods from VarHandle class from Java 9 and later.

Since:

21.2

Method Summary

Modifier and Type	Method and Description
static void	acquire() Ensures that loads before the fence will not be reordered with loads and stores after the fence.
static void	full() Ensures that loads and stores before the fence will not be reordered with loads and stores after the fence.
static void	loadLoad() Ensures that loads before the fence will not be reordered with loads after the fence.
static void	release() Ensures that loads and stores before the fence will not be reordered with stores after the fence.
static void	storeStore() Ensures that stores before the fence will not be reordered with stores after the fence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

full

public static void full()

Ensures that loads and stores before the fence will not be reordered with loads and stores after the fence.

Since:

21.2

acquire

public static void acquire()

Ensures that loads before the fence will not be reordered with loads and stores after the fence.

Since:

21.2

release

public static void release()

Ensures that loads and stores before the fence will not be reordered with stores after the fence.

Since:

21.2

loadLoad

public static void loadLoad()

Ensures that loads before the fence will not be reordered with loads after the fence.

Since:

21.2

storeStore

public static void storeStore()

Ensures that stores before the fence will not be reordered with stores after the fence.

Since:

21.2