1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package art; 18 19 public class Test1936 { foo()20 public static void foo() {} 21 NotifyThreadEnd(Thread me)22 public static void NotifyThreadEnd(Thread me) { 23 // Don't actually do anything. 24 foo(); 25 } 26 NotifyMethodEntry(Object o)27 public static void NotifyMethodEntry(Object o) { 28 System.out.println("Entered " + o.toString()); 29 Thread me = Thread.currentThread(); 30 System.out.println(String.format( 31 "Thread: %s\n" + 32 " | alive: %b\n" + 33 " | interrupted: %b\n" + 34 " | daemon: %b\n" + 35 " | group: %s\n", 36 me.getName(), me.isAlive(), me.isInterrupted(), me.isDaemon(), me.getThreadGroup())); 37 } 38 waitForever()39 public static native void waitForever(); setupTracing(Thread target)40 private static void setupTracing(Thread target) throws Exception { 41 Trace.disableTracing(target); 42 Trace.enableTracing2( 43 Test1936.class, 44 Test1936.class.getDeclaredMethod("NotifyMethodEntry", Object.class), 45 /*exit*/null, 46 /*field_access*/null, 47 /*field_modify*/null, 48 /*single_step*/null, 49 /*thread_start*/null, 50 Test1936.class.getDeclaredMethod("NotifyThreadEnd", Thread.class), 51 target); 52 } 53 54 run()55 public static void run() throws Exception { 56 Thread t = new Thread(() -> { 57 try { 58 setupTracing(Thread.currentThread()); 59 foo(); 60 } catch (Exception e) { 61 System.out.println("Caught exception " + e + "!"); 62 e.printStackTrace(); 63 } 64 }, "test-thread"); 65 t.start(); 66 t.join(); 67 } 68 } 69