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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;

622     /**
623      * Re-enables a virtual thread for scheduling. If the thread was parked then
624      * it will be unblocked, otherwise its next attempt to park will not block
625      * @param thread the virtual thread to unpark
626      * @throws IllegalArgumentException if the thread is not a virtual thread
627      * @throws RejectedExecutionException if the scheduler cannot accept a task
628      */
629     void unparkVirtualThread(Thread thread);
630 
631     /**
632      * Returns the virtual thread default scheduler.
633      */
634     Executor virtualThreadDefaultScheduler();
635 
636     /**
637      * Creates a new StackWalker
638      */
639     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
640                                        ContinuationScope contScope,
641                                        Continuation continuation);






642     /**
643      * Returns '<loader-name>' @<id> if classloader has a name
644      * explicitly set otherwise <qualified-class-name> @<id>
645      */
646     String getLoaderNameID(ClassLoader loader);
647 
648     /**
649      * Copy the string bytes to an existing segment, avoiding intermediate copies.
650      */
651     void copyToSegmentRaw(String string, MemorySegment segment, long offset, int srcIndex, int srcLength);
652 
653     /**
654      * Are the string bytes compatible with the given charset?
655      */
656     boolean bytesCompatible(String string, Charset charset, int srcIndex, int numChars);
657 
658     /**
659      * Finish initialization of the StackTraceElement objects in a stack trace.
660      */
661     void finishInit(StackTraceElement[] stackTrace);

 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;

623     /**
624      * Re-enables a virtual thread for scheduling. If the thread was parked then
625      * it will be unblocked, otherwise its next attempt to park will not block
626      * @param thread the virtual thread to unpark
627      * @throws IllegalArgumentException if the thread is not a virtual thread
628      * @throws RejectedExecutionException if the scheduler cannot accept a task
629      */
630     void unparkVirtualThread(Thread thread);
631 
632     /**
633      * Returns the virtual thread default scheduler.
634      */
635     Executor virtualThreadDefaultScheduler();
636 
637     /**
638      * Creates a new StackWalker
639      */
640     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
641                                        ContinuationScope contScope,
642                                        Continuation continuation);
643 
644     /**
645      * Returns the class file format version of the class.
646      */
647     int classFileFormatVersion(Class<?> klass);
648 
649     /**
650      * Returns '<loader-name>' @<id> if classloader has a name
651      * explicitly set otherwise <qualified-class-name> @<id>
652      */
653     String getLoaderNameID(ClassLoader loader);
654 
655     /**
656      * Copy the string bytes to an existing segment, avoiding intermediate copies.
657      */
658     void copyToSegmentRaw(String string, MemorySegment segment, long offset, int srcIndex, int srcLength);
659 
660     /**
661      * Are the string bytes compatible with the given charset?
662      */
663     boolean bytesCompatible(String string, Charset charset, int srcIndex, int numChars);
664 
665     /**
666      * Finish initialization of the StackTraceElement objects in a stack trace.
667      */
668     void finishInit(StackTraceElement[] stackTrace);
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