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src/java.base/share/classes/jdk/internal/access/JavaLangAccess.java

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 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.io.PrintStream;
 30 import java.lang.annotation.Annotation;
 31 import java.lang.foreign.MemorySegment;
 32 import java.lang.foreign.SymbolLookup;
 33 import java.lang.invoke.MethodHandle;
 34 import java.lang.invoke.MethodType;
 35 import java.lang.module.ModuleDescriptor;

 36 import java.lang.reflect.Executable;
 37 import java.lang.reflect.Method;
 38 import java.net.URI;
 39 import java.nio.charset.CharacterCodingException;
 40 import java.nio.charset.Charset;
 41 import java.security.ProtectionDomain;
 42 import java.util.List;
 43 import java.util.Map;
 44 import java.util.Set;
 45 import java.util.concurrent.ConcurrentHashMap;
 46 import java.util.concurrent.Executor;
 47 import java.util.concurrent.RejectedExecutionException;
 48 import java.util.stream.Stream;
 49 
 50 import jdk.internal.loader.NativeLibraries;
 51 import jdk.internal.misc.CarrierThreadLocal;
 52 import jdk.internal.module.ServicesCatalog;
 53 import jdk.internal.reflect.ConstantPool;
 54 import jdk.internal.vm.Continuation;
 55 import jdk.internal.vm.ContinuationScope;

608     /**
609      * Re-enables a virtual thread for scheduling. If the thread was parked then
610      * it will be unblocked, otherwise its next attempt to park will not block
611      * @param thread the virtual thread to unpark
612      * @throws IllegalArgumentException if the thread is not a virtual thread
613      * @throws RejectedExecutionException if the scheduler cannot accept a task
614      */
615     void unparkVirtualThread(Thread thread);
616 
617     /**
618      * Returns the virtual thread default scheduler.
619      */
620     Executor virtualThreadDefaultScheduler();
621 
622     /**
623      * Creates a new StackWalker
624      */
625     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
626                                        ContinuationScope contScope,
627                                        Continuation continuation);






628     /**
629      * Returns '<loader-name>' @<id> if classloader has a name
630      * explicitly set otherwise <qualified-class-name> @<id>
631      */
632     String getLoaderNameID(ClassLoader loader);
633 
634     /**
635      * Copy the string bytes to an existing segment, avoiding intermediate copies.
636      */
637     void copyToSegmentRaw(String string, MemorySegment segment, long offset, int srcIndex, int srcLength);
638 
639     /**
640      * Are the string bytes compatible with the given charset?
641      */
642     boolean bytesCompatible(String string, Charset charset, int srcIndex, int numChars);
643 }

 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.io.PrintStream;
 30 import java.lang.annotation.Annotation;
 31 import java.lang.foreign.MemorySegment;
 32 import java.lang.foreign.SymbolLookup;
 33 import java.lang.invoke.MethodHandle;
 34 import java.lang.invoke.MethodType;
 35 import java.lang.module.ModuleDescriptor;
 36 import java.lang.reflect.ClassFileFormatVersion;
 37 import java.lang.reflect.Executable;
 38 import java.lang.reflect.Method;
 39 import java.net.URI;
 40 import java.nio.charset.CharacterCodingException;
 41 import java.nio.charset.Charset;
 42 import java.security.ProtectionDomain;
 43 import java.util.List;
 44 import java.util.Map;
 45 import java.util.Set;
 46 import java.util.concurrent.ConcurrentHashMap;
 47 import java.util.concurrent.Executor;
 48 import java.util.concurrent.RejectedExecutionException;
 49 import java.util.stream.Stream;
 50 
 51 import jdk.internal.loader.NativeLibraries;
 52 import jdk.internal.misc.CarrierThreadLocal;
 53 import jdk.internal.module.ServicesCatalog;
 54 import jdk.internal.reflect.ConstantPool;
 55 import jdk.internal.vm.Continuation;
 56 import jdk.internal.vm.ContinuationScope;

609     /**
610      * Re-enables a virtual thread for scheduling. If the thread was parked then
611      * it will be unblocked, otherwise its next attempt to park will not block
612      * @param thread the virtual thread to unpark
613      * @throws IllegalArgumentException if the thread is not a virtual thread
614      * @throws RejectedExecutionException if the scheduler cannot accept a task
615      */
616     void unparkVirtualThread(Thread thread);
617 
618     /**
619      * Returns the virtual thread default scheduler.
620      */
621     Executor virtualThreadDefaultScheduler();
622 
623     /**
624      * Creates a new StackWalker
625      */
626     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
627                                        ContinuationScope contScope,
628                                        Continuation continuation);
629 
630     /**
631      * Returns the class file format version of the class.
632      */
633     int classFileFormatVersion(Class<?> klass);
634 
635     /**
636      * Returns '<loader-name>' @<id> if classloader has a name
637      * explicitly set otherwise <qualified-class-name> @<id>
638      */
639     String getLoaderNameID(ClassLoader loader);
640 
641     /**
642      * Copy the string bytes to an existing segment, avoiding intermediate copies.
643      */
644     void copyToSegmentRaw(String string, MemorySegment segment, long offset, int srcIndex, int srcLength);
645 
646     /**
647      * Are the string bytes compatible with the given charset?
648      */
649     boolean bytesCompatible(String string, Charset charset, int srcIndex, int numChars);
650 }
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