java.lang.invoke.VarHandle Java Examples
The following examples show how to use
java.lang.invoke.VarHandle.
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Example #1
| Source File: ForkJoinPool.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
/**
* Pushes a task. Call only by owner in unshared queues.
*
* @param task the task. Caller must ensure non-null.
* @throws RejectedExecutionException if array cannot be resized
*/
final void push(ForkJoinTask<?> task) {
int s = top; ForkJoinTask<?>[] a; int al, d;
if ((a = array) != null && (al = a.length) > 0) {
int index = (al - 1) & s;
ForkJoinPool p = pool;
top = s + 1;
QA.setRelease(a, index, task);
if ((d = base - s) == 0 && p != null) {
VarHandle.fullFence();
p.signalWork();
}
else if (d + al == 1)
growArray();
}
}
Example #2
| Source File: ForkJoinPool.java From Bytecoder with Apache License 2.0 | 6 votes |
|
/**
* Pushes a task. Call only by owner in unshared queues.
*
* @param task the task. Caller must ensure non-null.
* @throws RejectedExecutionException if array cannot be resized
*/
final void push(ForkJoinTask<?> task) {
ForkJoinTask<?>[] a;
int s = top, d = s - base, cap, m;
ForkJoinPool p = pool;
if ((a = array) != null && (cap = a.length) > 0) {
QA.setRelease(a, (m = cap - 1) & s, task);
top = s + 1;
if (d == m)
growArray(false);
else if (QA.getAcquire(a, m & (s - 1)) == null && p != null) {
VarHandle.fullFence(); // was empty
p.signalWork(null);
}
}
}
Example #3
| Source File: VarHandleTestAccessInt.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testStaticFinalFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
vh.set(0x89ABCDEF);
});
checkUOE(() -> {
vh.setVolatile(0x89ABCDEF);
});
checkUOE(() -> {
vh.setRelease(0x89ABCDEF);
});
checkUOE(() -> {
vh.setOpaque(0x89ABCDEF);
});
}
Example #4
| Source File: VarHandleTestAccessChar.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessChar recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, '\u4567');
});
checkUOE(() -> {
vh.setVolatile(recv, '\u4567');
});
checkUOE(() -> {
vh.setRelease(recv, '\u4567');
});
checkUOE(() -> {
vh.setOpaque(recv, '\u4567');
});
}
Example #5
| Source File: VarHandleTestAccessLong.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testStaticFinalFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
vh.set(0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setVolatile(0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setRelease(0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setOpaque(0xCAFEBABECAFEBABEL);
});
}
Example #6
| Source File: VarHandleTestAccessChar.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testStaticFinalFieldUnsupported(VarHandle vh) {
checkUOE(() -> {
vh.set('\u4567');
});
checkUOE(() -> {
vh.setVolatile('\u4567');
});
checkUOE(() -> {
vh.setRelease('\u4567');
});
checkUOE(() -> {
vh.setOpaque('\u4567');
});
}
Example #7
| Source File: VarHandleTestAccessInt.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessInt recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, 0x89ABCDEF);
});
checkUOE(() -> {
vh.setVolatile(recv, 0x89ABCDEF);
});
checkUOE(() -> {
vh.setRelease(recv, 0x89ABCDEF);
});
checkUOE(() -> {
vh.setOpaque(recv, 0x89ABCDEF);
});
}
Example #8
| Source File: VarHandleTestAccessShort.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessShort recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, (short)0x4567);
});
checkUOE(() -> {
vh.setVolatile(recv, (short)0x4567);
});
checkUOE(() -> {
vh.setRelease(recv, (short)0x4567);
});
checkUOE(() -> {
vh.setOpaque(recv, (short)0x4567);
});
}
Example #9
| Source File: VarHandleTestAccessLong.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
static void testInstanceFinalFieldUnsupported(VarHandleTestAccessLong recv, VarHandle vh) {
checkUOE(() -> {
vh.set(recv, 0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setVolatile(recv, 0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setRelease(recv, 0xCAFEBABECAFEBABEL);
});
checkUOE(() -> {
vh.setOpaque(recv, 0xCAFEBABECAFEBABEL);
});
}
Example #10
| Source File: VariableHandlesUnitTest.java From tutorials with MIT License | 5 votes |
|
@Test
public void whenVariableHandleForArrayVariableIsCreated_ThenItIsInitializedProperly() throws NoSuchFieldException, IllegalAccessException {
VarHandle arrayVarHandle = MethodHandles
.arrayElementVarHandle(int[].class);
assertEquals(2, arrayVarHandle.coordinateTypes().size());
assertEquals(int[].class, arrayVarHandle.coordinateTypes().get(0));
}
Example #11
| Source File: VarHandleBaseTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
Handles(VarHandle vh, VarHandleToMethodHandle f) throws Exception {
this.vh = vh;
this.f = f;
this.amToHandle = new HashMap<>();
amToType = new EnumMap<>(TestAccessMode.class);
for (TestAccessMode am : testAccessModes()) {
amToType.put(am, vh.accessModeType(am.toAccessMode()));
}
}
Example #12
| Source File: VariableHandlesUnitTest.java From tutorials with MIT License | 5 votes |
|
@Test
public void givenVarHandle_whenCompareAndSetIsInvoked_ThenValueOfVariableIsChanged() throws NoSuchFieldException, IllegalAccessException {
VarHandle VARIABLE_TO_COMPARE_AND_SET = MethodHandles
.lookup()
.in(VariableHandlesUnitTest.class)
.findVarHandle(VariableHandlesUnitTest.class, "variableToCompareAndSet", int.class);
VARIABLE_TO_COMPARE_AND_SET.compareAndSet(this, 1, 100);
assertEquals(100, (int) VARIABLE_TO_COMPARE_AND_SET.get(this));
}
Example #13
| Source File: VarHandleTestAccessFloat.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandle vh) {
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #14
| Source File: ForkJoinPool.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Pops the given task only if it is at the current top.
*/
final boolean tryUnpush(ForkJoinTask<?> task) {
int b = base, s = top, al; ForkJoinTask<?>[] a;
if ((a = array) != null && b != s && (al = a.length) > 0) {
int index = (al - 1) & --s;
if (QA.compareAndSet(a, index, task, null)) {
top = s;
VarHandle.releaseFence();
return true;
}
}
return false;
}
Example #15
| Source File: VarHandleTestByteArrayAsDouble.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandleSource vhs) {
VarHandle vh = vhs.s;
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #16
| Source File: VarHandleTestAccessFloat.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@DataProvider
public Object[][] varHandlesProvider() throws Exception {
List<VarHandle> vhs = new ArrayList<>();
vhs.add(vhField);
vhs.add(vhStaticField);
vhs.add(vhArray);
return vhs.stream().map(tc -> new Object[]{tc}).toArray(Object[][]::new);
}
Example #17
| Source File: VarHandleTestByteArrayAsDouble.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<java.lang.Class<?>> pts) {
assertEquals(vh.varType(), double.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
Example #18
| Source File: VarHandleTestByteArrayAsFloat.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<java.lang.Class<?>> pts) {
assertEquals(vh.varType(), float.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
Example #19
| Source File: VarHandleTestAccessLong.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@DataProvider
public Object[][] varHandlesProvider() throws Exception {
List<VarHandle> vhs = new ArrayList<>();
vhs.add(vhField);
vhs.add(vhStaticField);
vhs.add(vhArray);
return vhs.stream().map(tc -> new Object[]{tc}).toArray(Object[][]::new);
}
Example #20
| Source File: ConcurrentSkipListMap.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Removes all of the mappings from this map.
*/
public void clear() {
Index<K,V> h, r, d; Node<K,V> b;
VarHandle.acquireFence();
while ((h = head) != null) {
if ((r = h.right) != null) // remove indices
RIGHT.compareAndSet(h, r, null);
else if ((d = h.down) != null) // remove levels
HEAD.compareAndSet(this, h, d);
else {
long count = 0L;
if ((b = h.node) != null) { // remove nodes
Node<K,V> n; V v;
while ((n = b.next) != null) {
if ((v = n.val) != null &&
VAL.compareAndSet(n, v, null)) {
--count;
v = null;
}
if (v == null)
unlinkNode(b, n);
}
}
if (count != 0L)
addCount(count);
else
break;
}
}
}
Example #21
| Source File: VarHandleTestByteArrayAsLong.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandleSource vhs) {
VarHandle vh = vhs.s;
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #22
| Source File: VarHandleTestAccessLong.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandle vh) {
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #23
| Source File: VarHandleTestAccessBoolean.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandle vh) {
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #24
| Source File: VarHandleTestAccessChar.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "varHandlesProvider")
public void testIsAccessModeSupported(VarHandle vh) {
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_VOLATILE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.SET_OPAQUE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.COMPARE_AND_EXCHANGE_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_PLAIN));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.WEAK_COMPARE_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_SET_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_ADD_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_OR_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_AND_RELEASE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_ACQUIRE));
assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.GET_AND_BITWISE_XOR_RELEASE));
}
Example #25
| Source File: ForkJoinPool.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Returns an estimate of the number of tasks submitted to this
* pool that have not yet begun executing. This method may take
* time proportional to the number of submissions.
*
* @return the number of queued submissions
*/
public int getQueuedSubmissionCount() {
WorkQueue[] ws; WorkQueue w;
VarHandle.acquireFence();
int count = 0;
if ((ws = workQueues) != null) {
for (int i = 0; i < ws.length; i += 2) {
if ((w = ws[i]) != null)
count += w.queueSize();
}
}
return count;
}
Example #26
| Source File: VarHandleTestAccessString.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<Class<?>> pts) {
assertEquals(vh.varType(), String.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
Example #27
| Source File: ForkJoinPool.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* Returns an estimate of the number of worker threads that are
* not blocked waiting to join tasks or for other managed
* synchronization. This method may overestimate the
* number of running threads.
*
* @return the number of worker threads
*/
public int getRunningThreadCount() {
WorkQueue[] ws; WorkQueue w;
VarHandle.acquireFence();
int rc = 0;
if ((ws = workQueues) != null) {
for (int i = 1; i < ws.length; i += 2) {
if ((w = ws[i]) != null && w.isApparentlyUnblocked())
++rc;
}
}
return rc;
}
Example #28
| Source File: ForkJoinPool.java From Bytecoder with Apache License 2.0 | 5 votes |
|
/**
* If present, removes task from queue and executes it.
*/
final void tryRemoveAndExec(ForkJoinTask<?> task) {
ForkJoinTask<?>[] a; int s, cap;
if ((a = array) != null && (cap = a.length) > 0 &&
(s = top) - base > 0) { // traverse from top
for (int m = cap - 1, ns = s - 1, i = ns; ; --i) {
int index = i & m;
ForkJoinTask<?> t = (ForkJoinTask<?>)QA.get(a, index);
if (t == null)
break;
else if (t == task) {
if (QA.compareAndSet(a, index, t, null)) {
top = ns; // safely shift down
for (int j = i; j != ns; ++j) {
ForkJoinTask<?> f;
int pindex = (j + 1) & m;
f = (ForkJoinTask<?>)QA.get(a, pindex);
QA.setVolatile(a, pindex, null);
int jindex = j & m;
QA.setRelease(a, jindex, f);
}
VarHandle.releaseFence();
t.doExec();
}
break;
}
}
}
}
Example #29
| Source File: VarHandleTestByteArrayAsChar.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "typesProvider")
public void testTypes(VarHandle vh, List<java.lang.Class<?>> pts) {
assertEquals(vh.varType(), char.class);
assertEquals(vh.coordinateTypes(), pts);
testTypes(vh);
}
Example #30
| Source File: VarHandleTestReflection.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Test(dataProvider = "accessModesProvider", expectedExceptions = UnsupportedOperationException.class)
public void methodHandleInvoke(VarHandle.AccessMode accessMode) throws Throwable {
VarHandle v = handle();
// Try a reflective invoke using a MethodHandle
MethodHandle mh = MethodHandles.lookup().unreflect(
VarHandle.class.getMethod(accessMode.methodName(), Object[].class));
// Use invoke to avoid WrongMethodTypeException for
// non-signature-polymorphic return types
Object o = (Object) mh.invoke(v, new Object[]{});
}
