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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.hotspot.replacements;

import static org.graalvm.compiler.hotspot.GraalHotSpotVMConfig.INJECTED_VMCONFIG;
import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_OSTHREAD_LOCATION;
import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_THREAD_OBJECT_LOCATION;
import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.osThreadInterruptedOffset;
import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.osThreadOffset;
import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.threadObjectOffset;
import static jdk.internal.vm.compiler.word.LocationIdentity.any;

import org.graalvm.compiler.api.replacements.ClassSubstitution;
import org.graalvm.compiler.api.replacements.MethodSubstitution;
import org.graalvm.compiler.hotspot.nodes.CurrentJavaThreadNode;
import org.graalvm.compiler.word.Word;

Substitutions for Thread methods.
/** * Substitutions for {@link java.lang.Thread} methods. */
@ClassSubstitution(Thread.class) public class ThreadSubstitutions {
hidden in 9.
/** * hidden in 9. */
@MethodSubstitution(isStatic = false, optional = true) public static boolean isInterrupted(final Thread thisObject, boolean clearInterrupted) { Word javaThread = CurrentJavaThreadNode.get(); Object thread = javaThread.readObject(threadObjectOffset(INJECTED_VMCONFIG), JAVA_THREAD_THREAD_OBJECT_LOCATION); if (thisObject == thread) { Word osThread = javaThread.readWord(osThreadOffset(INJECTED_VMCONFIG), JAVA_THREAD_OSTHREAD_LOCATION); boolean interrupted = osThread.readInt(osThreadInterruptedOffset(INJECTED_VMCONFIG), any()) != 0; if (!interrupted || !clearInterrupted) { return interrupted; } } return isInterrupted(thisObject, clearInterrupted); } }