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

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 10  *
 11  * This code is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 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;

256 
257     /**
258      * Returns true if module m reflectively opens a package to other
259      */
260     boolean isReflectivelyOpened(Module module, String pn, Module other);
261 
262     /**
263      * Updates module m to allow access to restricted methods.
264      */
265     Module addEnableNativeAccess(Module m);
266 
267     /**
268      * Updates all unnamed modules to allow access to restricted methods.
269      */
270     void addEnableNativeAccessToAllUnnamed();
271 
272     /**
273      * Ensure that the given module has native access. If not, warn or
274      * throw exception depending on the configuration.
275      */
276     void ensureNativeAccess(Module m, Class<?> owner, String methodName);
277 
278     /**
279      * Returns the ServicesCatalog for the given Layer.
280      */
281     ServicesCatalog getServicesCatalog(ModuleLayer layer);
282 
283     /**
284      * Record that this layer has at least one module defined to the given
285      * class loader.
286      */
287     void bindToLoader(ModuleLayer layer, ClassLoader loader);
288 
289     /**
290      * Returns an ordered stream of layers. The first element is the
291      * given layer, the remaining elements are its parents, in DFS order.
292      */
293     Stream<ModuleLayer> layers(ModuleLayer layer);
294 
295     /**
296      * Returns a stream of the layers that have modules defined to the

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 }

 10  *
 11  * This code is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 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.foreign.MemorySegment;
 31 import java.lang.invoke.MethodHandle;
 32 import java.lang.invoke.MethodType;
 33 import java.lang.module.ModuleDescriptor;
 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;

257 
258     /**
259      * Returns true if module m reflectively opens a package to other
260      */
261     boolean isReflectivelyOpened(Module module, String pn, Module other);
262 
263     /**
264      * Updates module m to allow access to restricted methods.
265      */
266     Module addEnableNativeAccess(Module m);
267 
268     /**
269      * Updates all unnamed modules to allow access to restricted methods.
270      */
271     void addEnableNativeAccessToAllUnnamed();
272 
273     /**
274      * Ensure that the given module has native access. If not, warn or
275      * throw exception depending on the configuration.
276      */
277     void ensureNativeAccess(Module m, Class<?> owner, String methodName, Class<?> currentClass);
278 
279     /**
280      * Returns the ServicesCatalog for the given Layer.
281      */
282     ServicesCatalog getServicesCatalog(ModuleLayer layer);
283 
284     /**
285      * Record that this layer has at least one module defined to the given
286      * class loader.
287      */
288     void bindToLoader(ModuleLayer layer, ClassLoader loader);
289 
290     /**
291      * Returns an ordered stream of layers. The first element is the
292      * given layer, the remaining elements are its parents, in DFS order.
293      */
294     Stream<ModuleLayer> layers(ModuleLayer layer);
295 
296     /**
297      * Returns a stream of the layers that have modules defined to the

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      * Returns '<loader-name>' @<id> if classloader has a name
575      * explicitly set otherwise <qualified-class-name> @<id>
576      */
577     String getLoaderNameID(ClassLoader loader);
578 
579     /**
580      * Copy the string bytes to an existing segment, avoiding intermediate copies.
581      */
582     void copyToSegmentRaw(String string, MemorySegment segment, long offset);
583 
584     /**
585      * Are the string bytes compatible with the given charset?
586      */
587     boolean bytesCompatible(String string, Charset charset);
588 }
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