13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.access;
27
28 import java.io.InputStream;
29 import java.lang.annotation.Annotation;
30 import java.lang.invoke.MethodHandle;
31 import java.lang.invoke.MethodType;
32 import java.lang.module.ModuleDescriptor;
33 import java.lang.reflect.Executable;
34 import java.lang.reflect.Method;
35 import java.net.URI;
36 import java.nio.charset.CharacterCodingException;
37 import java.nio.charset.Charset;
38 import java.security.AccessControlContext;
39 import java.security.ProtectionDomain;
40 import java.util.List;
41 import java.util.Map;
42 import java.util.Set;
43 import java.util.concurrent.Callable;
44 import java.util.concurrent.ConcurrentHashMap;
45 import java.util.concurrent.RejectedExecutionException;
46 import java.util.stream.Stream;
47
48 import jdk.internal.javac.PreviewFeature;
49 import jdk.internal.misc.CarrierThreadLocal;
50 import jdk.internal.module.ServicesCatalog;
51 import jdk.internal.reflect.ConstantPool;
52 import jdk.internal.vm.Continuation;
552 * @param nanos the maximum number of nanoseconds to wait
553 * @throws WrongThreadException if the current thread is not a virtual thread
554 */
555 void parkVirtualThread(long nanos);
556
557 /**
558 * Re-enables a virtual thread for scheduling. If the thread was parked then
559 * it will be unblocked, otherwise its next attempt to park will not block
560 * @param thread the virtual thread to unpark
561 * @throws IllegalArgumentException if the thread is not a virtual thread
562 * @throws RejectedExecutionException if the scheduler cannot accept a task
563 */
564 void unparkVirtualThread(Thread thread);
565
566 /**
567 * Creates a new StackWalker
568 */
569 StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
570 ContinuationScope contScope,
571 Continuation continuation);
572 /**
573 * Returns '<loader-name>' @<id> if classloader has a name
574 * explicitly set otherwise <qualified-class-name> @<id>
575 */
576 String getLoaderNameID(ClassLoader loader);
577 }
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.access;
27
28 import java.io.InputStream;
29 import java.lang.annotation.Annotation;
30 import java.lang.invoke.MethodHandle;
31 import java.lang.invoke.MethodType;
32 import java.lang.module.ModuleDescriptor;
33 import java.lang.reflect.ClassFileFormatVersion;
34 import java.lang.reflect.Executable;
35 import java.lang.reflect.Method;
36 import java.net.URI;
37 import java.nio.charset.CharacterCodingException;
38 import java.nio.charset.Charset;
39 import java.security.AccessControlContext;
40 import java.security.ProtectionDomain;
41 import java.util.List;
42 import java.util.Map;
43 import java.util.Set;
44 import java.util.concurrent.Callable;
45 import java.util.concurrent.ConcurrentHashMap;
46 import java.util.concurrent.RejectedExecutionException;
47 import java.util.stream.Stream;
48
49 import jdk.internal.javac.PreviewFeature;
50 import jdk.internal.misc.CarrierThreadLocal;
51 import jdk.internal.module.ServicesCatalog;
52 import jdk.internal.reflect.ConstantPool;
53 import jdk.internal.vm.Continuation;
553 * @param nanos the maximum number of nanoseconds to wait
554 * @throws WrongThreadException if the current thread is not a virtual thread
555 */
556 void parkVirtualThread(long nanos);
557
558 /**
559 * Re-enables a virtual thread for scheduling. If the thread was parked then
560 * it will be unblocked, otherwise its next attempt to park will not block
561 * @param thread the virtual thread to unpark
562 * @throws IllegalArgumentException if the thread is not a virtual thread
563 * @throws RejectedExecutionException if the scheduler cannot accept a task
564 */
565 void unparkVirtualThread(Thread thread);
566
567 /**
568 * Creates a new StackWalker
569 */
570 StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
571 ContinuationScope contScope,
572 Continuation continuation);
573
574 /**
575 * {@return the primary class for a primitive class}
576 *
577 * @param klass a class
578 */
579 Class<?> asPrimaryType(Class<?> klass);
580
581 /**
582 * {@return the value type of a primitive class}
583 *
584 * @param klass a class
585 */
586 Class<?> asValueType(Class<?> klass);
587
588 /**
589 * {@return true if the class is the primary type of a primitive class}
590 *
591 * @param klass a class
592 */
593 boolean isPrimaryType(Class<?> klass);
594
595 /**
596 * {@return true if the class is the primary type of a primitive class}
597 *
598 * @param klass a class
599 */
600 boolean isPrimitiveValueType(Class<?> klass);
601
602 /**
603 * Returns {@code true} if this class is a primitive class.
604 */
605 boolean isPrimitiveClass(Class<?> klass);
606
607 /**
608 * Returns the class file format version of the class.
609 */
610 int classFileFormatVersion(Class<?> klass);
611
612 /**
613 * Returns '<loader-name>' @<id> if classloader has a name
614 * explicitly set otherwise <qualified-class-name> @<id>
615 */
616 String getLoaderNameID(ClassLoader loader);
617 }
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