test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapProc.java

*** 19,34 ****
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
- import java.lang.management.ManagementFactory;
- import java.lang.management.RuntimeMXBean;
- import java.lang.reflect.Field;
- import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.List;
  
  import sun.management.VMManagement;
  
  public class JMapHProfLargeHeapProc {
      private static final List<byte[]> heapGarbage = new ArrayList<>();
--- 19,31 ----
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  import java.util.ArrayList;
  import java.util.List;
+ import jdk.test.lib.process.ProcessTools;
  
  import sun.management.VMManagement;
  
  public class JMapHProfLargeHeapProc {
      private static final List<byte[]> heapGarbage = new ArrayList<>();
*** 36,46 ****
      public static void main(String[] args) throws Exception {
  
          buildLargeHeap(args);
  
          // Print our pid on stdout
!         System.out.println("PID[" + getProcessId() + "]");
  
          // Wait for input before termination
          System.in.read();
      }
  
--- 33,43 ----
      public static void main(String[] args) throws Exception {
  
          buildLargeHeap(args);
  
          // Print our pid on stdout
!         System.out.println("PID[" + ProcessTools.getProcessId() + "]");
  
          // Wait for input before termination
          System.in.read();
      }
  
*** 48,71 ****
          for (long i = 0; i < Integer.parseInt(args[0]); i++) {
              heapGarbage.add(new byte[1024]);
          }
      }
  
-     public static int getProcessId() throws Exception {
- 
-         // Get the current process id using a reflection hack
-         RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
-         Field jvm = runtime.getClass().getDeclaredField("jvm");
- 
-         jvm.setAccessible(true);
-         VMManagement mgmt = (sun.management.VMManagement) jvm.get(runtime);
- 
-         Method pid_method = mgmt.getClass().getDeclaredMethod("getProcessId");
- 
-         pid_method.setAccessible(true);
- 
-         int pid = (Integer) pid_method.invoke(mgmt);
- 
-         return pid;
-     }
- 
  }
--- 45,50 ----