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test/hotspot/jtreg/serviceability/jvmti/vthread/ToggleNotifyJvmtiTest/ToggleNotifyJvmtiTest.java

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  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /**
 25  * @test
 26  * @summary Verifies JVMTI works for agents loaded into running VM
 27  * @requires vm.jvmti
 28  * @requires vm.continuations
 29  * @enablePreview
 30  * @library /test/lib /test/hotspot/jtreg
 31  * @build jdk.test.whitebox.WhiteBox
 32  *
 33  * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 34  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -agentlib:ToggleNotifyJvmtiTest ToggleNotifyJvmtiTest
 35  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Djdk.attach.allowAttachSelf=true ToggleNotifyJvmtiTest attach
 36  */
 37 
 38 import com.sun.tools.attach.VirtualMachine;
 39 import java.util.concurrent.ThreadFactory;
 40 import jdk.test.whitebox.WhiteBox;
 41 
 42 // The TestTask mimics some thread activity, but it is important
 43 // to have sleep() calls to provide yielding as some frequency of virtual
 44 // thread mount state transitions is needed for this test scenario.
 45 class TestTask implements Runnable {
 46     private String name;
 47     private volatile boolean threadReady = false;
 48     private volatile boolean shouldFinish = false;
 49 

  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /**
 25  * @test
 26  * @summary Verifies JVMTI works for agents loaded into running VM
 27  * @requires vm.jvmti
 28  * @requires vm.continuations

 29  * @library /test/lib /test/hotspot/jtreg
 30  * @build jdk.test.whitebox.WhiteBox
 31  *
 32  * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 33  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -agentlib:ToggleNotifyJvmtiTest ToggleNotifyJvmtiTest
 34  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Djdk.attach.allowAttachSelf=true ToggleNotifyJvmtiTest attach
 35  */
 36 
 37 import com.sun.tools.attach.VirtualMachine;
 38 import java.util.concurrent.ThreadFactory;
 39 import jdk.test.whitebox.WhiteBox;
 40 
 41 // The TestTask mimics some thread activity, but it is important
 42 // to have sleep() calls to provide yielding as some frequency of virtual
 43 // thread mount state transitions is needed for this test scenario.
 44 class TestTask implements Runnable {
 45     private String name;
 46     private volatile boolean threadReady = false;
 47     private volatile boolean shouldFinish = false;
 48 
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