1 files changed, 43 insertions, 0 deletions
diff --git a/test/063-process-manager/src/Main.java b/test/063-process-manager/src/Main.java
new file mode 100644
index 0000000000..c94b8adc5e
--- /dev/null
+++ b/test/063-process-manager/src/Main.java
@@ -0,0 +1,43 @@
+import java.util.Map;
+
+public class Main {
+    static public void main(String[] args) throws Exception {
+        checkManager();
+        for (int i = 1; i <= 2; i++) {
+            System.out.println("\nspawning child #" + i);
+            child();
+            Thread.sleep(2000);
+            checkManager();
+        }
+        System.out.println("\ndone!");
+    }
+
+    static private void child() throws Exception {
+        System.out.println("spawning child");
+        ProcessBuilder pb = new ProcessBuilder("/system/bin/sleep", "5");
+        Process proc = pb.start();
+        Thread.sleep(1000);
+        checkManager();
+        proc.waitFor();
+        System.out.println("child died");
+    }
+
+    static private void checkManager() {
+        Map<Thread, StackTraceElement[]> traces = Thread.getAllStackTraces();
+        boolean found = false;
+
+        for (Map.Entry<Thread, StackTraceElement[]> entry :
+                 traces.entrySet()) {
+            Thread t = entry.getKey();
+            String name = t.getName();
+            if (name.equals("java.lang.ProcessManager")) {
+                System.out.println("process manager: " + t.getState());
+                found = true;
+            }
+        }
+
+        if (! found) {
+            System.out.println("process manager: nonexistent");
+        }
+    }
+}