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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.AccessControlContext;
 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;

601     /**
602      * Re-enables a virtual thread for scheduling. If the thread was parked then
603      * it will be unblocked, otherwise its next attempt to park will not block
604      * @param thread the virtual thread to unpark
605      * @throws IllegalArgumentException if the thread is not a virtual thread
606      * @throws RejectedExecutionException if the scheduler cannot accept a task
607      */
608     void unparkVirtualThread(Thread thread);
609 
610     /**
611      * Returns the virtual thread default scheduler.
612      */
613     Executor virtualThreadDefaultScheduler();
614 
615     /**
616      * Creates a new StackWalker
617      */
618     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
619                                        ContinuationScope contScope,
620                                        Continuation continuation);






621     /**
622      * Returns '<loader-name>' @<id> if classloader has a name
623      * explicitly set otherwise <qualified-class-name> @<id>
624      */
625     String getLoaderNameID(ClassLoader loader);
626 
627     /**
628      * Copy the string bytes to an existing segment, avoiding intermediate copies.
629      */
630     void copyToSegmentRaw(String string, MemorySegment segment, long offset);
631 
632     /**
633      * Are the string bytes compatible with the given charset?
634      */
635     boolean bytesCompatible(String string, Charset charset);
636 
637     /**
638      * Is a security manager already set or allowed to be set
639      * (using -Djava.security.manager=allow)?
640      */

 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.AccessControlContext;
 43 import java.security.ProtectionDomain;
 44 import java.util.List;
 45 import java.util.Map;
 46 import java.util.Set;
 47 import java.util.concurrent.ConcurrentHashMap;
 48 import java.util.concurrent.Executor;
 49 import java.util.concurrent.RejectedExecutionException;
 50 import java.util.stream.Stream;
 51 
 52 import jdk.internal.loader.NativeLibraries;
 53 import jdk.internal.misc.CarrierThreadLocal;
 54 import jdk.internal.module.ServicesCatalog;
 55 import jdk.internal.reflect.ConstantPool;
 56 import jdk.internal.vm.Continuation;

602     /**
603      * Re-enables a virtual thread for scheduling. If the thread was parked then
604      * it will be unblocked, otherwise its next attempt to park will not block
605      * @param thread the virtual thread to unpark
606      * @throws IllegalArgumentException if the thread is not a virtual thread
607      * @throws RejectedExecutionException if the scheduler cannot accept a task
608      */
609     void unparkVirtualThread(Thread thread);
610 
611     /**
612      * Returns the virtual thread default scheduler.
613      */
614     Executor virtualThreadDefaultScheduler();
615 
616     /**
617      * Creates a new StackWalker
618      */
619     StackWalker newStackWalkerInstance(Set<StackWalker.Option> options,
620                                        ContinuationScope contScope,
621                                        Continuation continuation);
622 
623     /**
624      * Returns the class file format version of the class.
625      */
626     int classFileFormatVersion(Class<?> klass);
627 
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);
638 
639     /**
640      * Are the string bytes compatible with the given charset?
641      */
642     boolean bytesCompatible(String string, Charset charset);
643 
644     /**
645      * Is a security manager already set or allowed to be set
646      * (using -Djava.security.manager=allow)?
647      */
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