| /* |
| * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 6700889 |
| * @summary Thread resume invalidates all stack frames, even from other threads |
| * @author jjh |
| * |
| * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| * @run compile -g ResumeOneThreadTest.java |
| * @run driver ResumeOneThreadTest |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| class ResumeOneThreadTarg extends Thread { |
| static String name1 = "Thread 1"; |
| static String name2 = "Thread 2"; |
| |
| public ResumeOneThreadTarg(String name) { |
| super(name); |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(" Debuggee: Howdy!"); |
| ResumeOneThreadTarg t1 = new ResumeOneThreadTarg(name1); |
| ResumeOneThreadTarg t2 = new ResumeOneThreadTarg(name2); |
| |
| t1.start(); |
| t2.start(); |
| } |
| |
| // This just starts two threads. Each runs to a bkpt. |
| public void run() { |
| if (getName().equals(name1)) { |
| run1(); |
| } else { |
| run2(); |
| } |
| } |
| |
| public void bkpt1(String p1) { |
| System.out.println(" Debuggee: bkpt 1"); |
| } |
| |
| public void run1() { |
| bkpt1("Hello Alviso!"); |
| } |
| |
| |
| |
| public void bkpt2() { |
| System.out.println(" Debuggee: bkpt 2"); |
| } |
| |
| public void run2() { |
| bkpt2(); |
| } |
| } |
| |
| /********** test program **********/ |
| |
| public class ResumeOneThreadTest extends TestScaffold { |
| ReferenceType targetClass; |
| ThreadReference mainThread; |
| |
| BreakpointRequest request1; |
| BreakpointRequest request2; |
| |
| ThreadReference thread1 = null; |
| ThreadReference thread2 = null;; |
| boolean theVMisDead = false; |
| |
| ResumeOneThreadTest (String args[]) { |
| super(args); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| new ResumeOneThreadTest(args).startTests(); |
| } |
| |
| |
| synchronized public void breakpointReached(BreakpointEvent event) { |
| println("-- Got bkpt at: " + event.location()); |
| ThreadReference eventThread = event.thread(); |
| |
| if (eventThread.name().equals(ResumeOneThreadTarg.name1)) { |
| thread1 = eventThread; |
| } |
| |
| if (eventThread.name().equals(ResumeOneThreadTarg.name2)) { |
| thread2 = eventThread; |
| } |
| } |
| |
| public void vmDied(VMDeathEvent event) { |
| theVMisDead = true; |
| } |
| |
| synchronized public void eventSetComplete(EventSet set) { |
| if (theVMisDead) { |
| return; |
| } |
| if (thread1 == null || thread2 == null) { |
| // Don't do a set.resume(), just let the other thread |
| // keep running until it hits its bkpt. |
| return; |
| } |
| |
| // Both threads are stopped at their bkpts. Get a StackFrame from |
| // Thread 1 then resume Thread 2 and verify that the saved StackFrame is |
| // still valid. |
| |
| // suspend everything. |
| println("-- All threads suspended"); |
| vm().suspend(); |
| |
| StackFrame t1sf0 = null; |
| try { |
| t1sf0 = thread1.frame(0); |
| } catch (IncompatibleThreadStateException ee) { |
| failure("FAILED: Exception: " + ee); |
| } |
| |
| println("-- t1sf0 args: " + t1sf0.getArgumentValues()); |
| |
| // Ok, we have a StackFrame for thread 1. Resume just thread 2 |
| // Note that thread 2 has been suspended twice - by the SUSPEND_ALL |
| // bkpt, and by the above vm().suspend(), so we have to resume |
| // it twice. |
| request2.disable(); |
| |
| thread2.resume(); |
| thread2.resume(); |
| println("-- Did Resume on thread 2"); |
| |
| // Can we get frames for thread1? |
| try { |
| StackFrame t1sf0_1 = thread1.frame(0); |
| if (!t1sf0.equals(t1sf0_1)) { |
| failure("FAILED: Got a different frame 0 for thread 1 after resuming thread 2"); |
| } |
| } catch (IncompatibleThreadStateException ee) { |
| failure("FAILED: Could not get frames for thread 1: Exception: " + ee); |
| } catch (Exception ee) { |
| failure("FAILED: Could not get frames for thread 1: Exception: " + ee); |
| } |
| |
| |
| try { |
| println("-- t1sf0 args: " + t1sf0.getArgumentValues()); |
| } catch (InvalidStackFrameException ee) { |
| // This is the failure. |
| failure("FAILED Got InvalidStackFrameException"); |
| vm().dispose(); |
| throw(ee); |
| } |
| |
| // Let the debuggee finish |
| request1.disable(); |
| thread1.resume(); |
| vm().resume(); |
| println("--------------"); |
| } |
| |
| /********** test core **********/ |
| |
| protected void runTests() throws Exception { |
| |
| /* |
| * Get to the top of main() |
| * to determine targetClass and mainThread |
| */ |
| BreakpointEvent bpe = startToMain("ResumeOneThreadTarg"); |
| targetClass = bpe.location().declaringType(); |
| mainThread = bpe.thread(); |
| EventRequestManager erm = vm().eventRequestManager(); |
| final Thread mainThread = Thread.currentThread(); |
| |
| /* |
| * Set event requests |
| */ |
| |
| Location loc1 = findMethod(targetClass, "bkpt1", "(Ljava/lang/String;)V").location(); |
| request1 = erm.createBreakpointRequest(loc1); |
| request1.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD); |
| request1.enable(); |
| |
| Location loc2 = findMethod(targetClass, "bkpt2", "()V").location(); |
| request2 = erm.createBreakpointRequest(loc2); |
| request2.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD); |
| request2.enable(); |
| |
| /* |
| * resume the target, listening for events |
| */ |
| listenUntilVMDisconnect(); |
| /* |
| * deal with results of test |
| * if anything has called failure("foo") testFailed will be true |
| */ |
| if (!testFailed) { |
| println("ResumeOneThreadTest: passed"); |
| } else { |
| throw new Exception("ResumeOneThreadTest: failed"); |
| } |
| } |
| } |