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redkale
2024-10-06 22:36:29 +08:00
parent acdd626d4f
commit d20d20f46a
1 changed files with 14 additions and 5 deletions
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19
src/main/java/org/redkale/util/Utility.java
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@@ -70,17 +70,26 @@ public final class Utility {
static {
MethodHandles.Lookup defaultLookup0 = null;
try {
Field implLookup = MethodHandles.Lookup.class.getDeclaredField("IMPL_LOOKUP");
implLookup.setAccessible(true);
defaultLookup0 = (MethodHandles.Lookup) implLookup.get(null);
RedkaleClassLoader.putReflectionField(MethodHandles.Lookup.class.getName(), implLookup);
final Class lookupClass = MethodHandles.Lookup.class;
final ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class unsafeClass = loader.loadClass("sun.misc.Unsafe");
Field safeField = unsafeClass.getDeclaredField("theUnsafe");
RedkaleClassLoader.putReflectionField("sun.misc.Unsafe", safeField);
safeField.setAccessible(true);
final Object usafe = safeField.get(null);
Method staticFieldOffsetMethod = usafe.getClass().getMethod("staticFieldOffset", Field.class);
Method getObjectMethod = usafe.getClass().getMethod("getObject", Object.class, long.class);
Field implLookup = lookupClass.getDeclaredField("IMPL_LOOKUP");
long fieldOffset = (Long) staticFieldOffsetMethod.invoke(usafe, implLookup);
defaultLookup0 = (MethodHandles.Lookup) getObjectMethod.invoke(usafe, lookupClass, fieldOffset);
RedkaleClassLoader.putReflectionField(lookupClass.getName(), implLookup);
} catch (Throwable e) {
defaultLookup0 = MethodHandles.lookup();
}
defaultLookup = defaultLookup0;
}
private static final Executor defaultExecutorConsumer = command -> command.run();
private static final Executor defaultExecutorConsumer = Runnable::run;
// org.redkale.util.JDK21VirtualThreadLocal
private static final Function<Supplier, ThreadLocal> virtualThreadLocalFunction;