com.oracle.truffle.js.builtins.helper

Class SharedMemorySync

java.lang.Object

com.oracle.truffle.js.builtins.helper.SharedMemorySync

public final class SharedMemorySync
extends Object

Implementation of the synchronization primitives of ECMA2017 Shared Memory model.

Method Summary

Modifier and Type	Method and Description
static void	addWaiter(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl, JSAgentWaiterList.WaiterRecord waiterRecord, boolean isAsync)
static boolean	agentCanSuspend(JSContext cx)
static BigInt	atomicFetchOrGetBigInt(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, BigInt expected, BigInt replacement)
static int	atomicFetchOrGetByte(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, int expected, int replacement, boolean sign)
static int	atomicFetchOrGetInt(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, int expected, int replacement)
static long	atomicFetchOrGetLong(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, long expected, long replacement)
static int	atomicFetchOrGetShort(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, int expected, int replacement, boolean sign)
static long	atomicFetchOrGetUnsigned(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, Object expected, Object replacement)
static boolean	compareAndSwapBigInt(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, BigInt initial, BigInt result)
static boolean	compareAndSwapInt(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset, int initial, int result)
static int	doVolatileGet(com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset)
static BigInt	doVolatileGetBigInt(com.oracle.truffle.api.object.DynamicObject target, int intArrayOffset)
static void	doVolatilePut(com.oracle.truffle.api.object.DynamicObject target, int index, int value)
static void	doVolatilePutBigInt(com.oracle.truffle.api.object.DynamicObject target, int index, BigInt value)
static void	enterCriticalSection(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl)
static JSAgentWaiterList.JSAgentWaiterListEntry	getWaiterList(JSContext cx, com.oracle.truffle.api.object.DynamicObject target, int indexPos)
static void	leaveCriticalSection(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl)
static void	notifyWaiter(JSContext cx, JSAgentWaiterList.WaiterRecord waiterRecord)
static void	removeWaiter(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl, JSAgentWaiterList.WaiterRecord w)
static JSAgentWaiterList.WaiterRecord[]	removeWaiters(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl, int count)
static boolean	suspendAgent(JSContext cx, JSAgentWaiterList.JSAgentWaiterListEntry wl, JSAgentWaiterList.WaiterRecord waiterRecord)

Methods inherited from class java.lang.Object

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

Method Detail

doVolatileGet

public static int doVolatileGet(com.oracle.truffle.api.object.DynamicObject target,
                                int intArrayOffset)

doVolatileGetBigInt

public static BigInt doVolatileGetBigInt(com.oracle.truffle.api.object.DynamicObject target,
                                         int intArrayOffset)

doVolatilePut

public static void doVolatilePut(com.oracle.truffle.api.object.DynamicObject target,
                                 int index,
                                 int value)

doVolatilePutBigInt

public static void doVolatilePutBigInt(com.oracle.truffle.api.object.DynamicObject target,
                                       int index,
                                       BigInt value)

compareAndSwapInt

public static boolean compareAndSwapInt(JSContext cx,
                                        com.oracle.truffle.api.object.DynamicObject target,
                                        int intArrayOffset,
                                        int initial,
                                        int result)

compareAndSwapBigInt

public static boolean compareAndSwapBigInt(JSContext cx,
                                           com.oracle.truffle.api.object.DynamicObject target,
                                           int intArrayOffset,
                                           BigInt initial,
                                           BigInt result)

atomicFetchOrGetUnsigned

public static long atomicFetchOrGetUnsigned(JSContext cx,
                                            com.oracle.truffle.api.object.DynamicObject target,
                                            int intArrayOffset,
                                            Object expected,
                                            Object replacement)

atomicFetchOrGetLong

public static long atomicFetchOrGetLong(JSContext cx,
                                        com.oracle.truffle.api.object.DynamicObject target,
                                        int intArrayOffset,
                                        long expected,
                                        long replacement)

atomicFetchOrGetInt

public static int atomicFetchOrGetInt(JSContext cx,
                                      com.oracle.truffle.api.object.DynamicObject target,
                                      int intArrayOffset,
                                      int expected,
                                      int replacement)

atomicFetchOrGetShort

public static int atomicFetchOrGetShort(JSContext cx,
                                        com.oracle.truffle.api.object.DynamicObject target,
                                        int intArrayOffset,
                                        int expected,
                                        int replacement,
                                        boolean sign)

atomicFetchOrGetByte

public static int atomicFetchOrGetByte(JSContext cx,
                                       com.oracle.truffle.api.object.DynamicObject target,
                                       int intArrayOffset,
                                       int expected,
                                       int replacement,
                                       boolean sign)

atomicFetchOrGetBigInt

public static BigInt atomicFetchOrGetBigInt(JSContext cx,
                                            com.oracle.truffle.api.object.DynamicObject target,
                                            int intArrayOffset,
                                            BigInt expected,
                                            BigInt replacement)

getWaiterList

public static JSAgentWaiterList.JSAgentWaiterListEntry getWaiterList(JSContext cx,
                                                                     com.oracle.truffle.api.object.DynamicObject target,
                                                                     int indexPos)

enterCriticalSection

public static void enterCriticalSection(JSContext cx,
                                        JSAgentWaiterList.JSAgentWaiterListEntry wl)

leaveCriticalSection

public static void leaveCriticalSection(JSContext cx,
                                        JSAgentWaiterList.JSAgentWaiterListEntry wl)

agentCanSuspend

public static boolean agentCanSuspend(JSContext cx)

addWaiter

public static void addWaiter(JSContext cx,
                             JSAgentWaiterList.JSAgentWaiterListEntry wl,
                             JSAgentWaiterList.WaiterRecord waiterRecord,
                             boolean isAsync)

removeWaiter

public static void removeWaiter(JSContext cx,
                                JSAgentWaiterList.JSAgentWaiterListEntry wl,
                                JSAgentWaiterList.WaiterRecord w)

suspendAgent

public static boolean suspendAgent(JSContext cx,
                                   JSAgentWaiterList.JSAgentWaiterListEntry wl,
                                   JSAgentWaiterList.WaiterRecord waiterRecord)

notifyWaiter

public static void notifyWaiter(JSContext cx,
                                JSAgentWaiterList.WaiterRecord waiterRecord)

removeWaiters

public static JSAgentWaiterList.WaiterRecord[] removeWaiters(JSContext cx,
                                                             JSAgentWaiterList.JSAgentWaiterListEntry wl,
                                                             int count)