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 * @bug 8036823
27 * @bug 8046287
28 * @summary Creates two threads contending for the same lock and checks
29 * whether jstack reports "locked" by more than one thread.
30 *
31 * @library /testlibrary
32 * @run main/othervm TestThreadDumpMonitorContention
33 */
34
35 import java.io.BufferedReader;
36 import java.io.InputStreamReader;
37 import java.lang.management.ManagementFactory;
38 import java.lang.management.RuntimeMXBean;
39 import java.util.ArrayList;
40 import java.util.List;
41 import java.util.regex.Matcher;
42 import java.util.regex.Pattern;
43
44 import com.oracle.java.testlibrary.*;
45
46 public class TestThreadDumpMonitorContention {
47 // jstack tends to be closely bound to the VM that we are running
48 // so use getTestJDKTool() instead of getCompileJDKTool() or even
49 // getJDKTool() which can fall back to "compile.jdk".
50 final static String JSTACK = JDKToolFinder.getTestJDKTool("jstack");
51 final static String PID = getPid();
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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 * @bug 8036823
27 * @bug 8046287
28 * @summary Creates two threads contending for the same lock and checks
29 * whether jstack reports "locked" by more than one thread.
30 *
31 * @library /testlibrary
32 * @build com.oracle.java.testlibrary.*
33 * @run main/othervm TestThreadDumpMonitorContention
34 */
35
36 import java.io.BufferedReader;
37 import java.io.InputStreamReader;
38 import java.lang.management.ManagementFactory;
39 import java.lang.management.RuntimeMXBean;
40 import java.util.ArrayList;
41 import java.util.List;
42 import java.util.regex.Matcher;
43 import java.util.regex.Pattern;
44
45 import com.oracle.java.testlibrary.*;
46
47 public class TestThreadDumpMonitorContention {
48 // jstack tends to be closely bound to the VM that we are running
49 // so use getTestJDKTool() instead of getCompileJDKTool() or even
50 // getJDKTool() which can fall back to "compile.jdk".
51 final static String JSTACK = JDKToolFinder.getTestJDKTool("jstack");
52 final static String PID = getPid();
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