1 /* 2 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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 package nsk.jdi.VirtualMachine.resume; 24 25 import nsk.share.*; 26 import nsk.share.jdi.*; 27 import com.sun.jdi.*; 28 import java.io.*; 29 import com.sun.jdi.event.*; 30 import com.sun.jdi.request.*; 31 32 public class resume001 extends TestDebuggerType2 { 33 main(String argv[])34 public static void main(String argv[]) { 35 System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); 36 } 37 run(String argv[], PrintStream out)38 public static int run(String argv[], PrintStream out) { 39 return new resume001().runIt(argv, out); 40 } 41 debuggeeClassName()42 protected String debuggeeClassName() { 43 return resume001a.class.getName(); 44 } 45 46 class EventListener extends EventHandler.EventListener { 47 Object lock = new Object(); 48 49 volatile int breakpointCounter; 50 51 volatile int expectedBreakpointNumber; 52 EventListener(int expectedBreakpointNumber)53 EventListener(int expectedBreakpointNumber) { 54 this.expectedBreakpointNumber = expectedBreakpointNumber; 55 } 56 waitForBreakpoints()57 void waitForBreakpoints() { 58 synchronized (lock) { 59 while (breakpointCounter < expectedBreakpointNumber) { 60 try { 61 lock.wait(); 62 } catch (InterruptedException e) { 63 unexpectedException(e); 64 } 65 } 66 } 67 } 68 eventReceived(Event event)69 public boolean eventReceived(Event event) { 70 if (event instanceof BreakpointEvent) { 71 log.display("BreakpointEvent was received: " + event); 72 73 breakpointCounter++; 74 75 if (breakpointCounter == expectedBreakpointNumber) { 76 synchronized (lock) { 77 lock.notify(); 78 } 79 } 80 81 if (breakpointCounter > expectedBreakpointNumber) { 82 setSuccess(false); 83 System.out.println("Extra breakpoint event was received: " + event); 84 } 85 86 return true; 87 } 88 89 return false; 90 } 91 } 92 doTest()93 protected void doTest() { 94 ReferenceType testThreadClass = debuggee.classByName(resume001a.class.getName()); 95 96 BreakpointRequest breakpointRequest = null; 97 98 try { 99 for (Location location : testThreadClass.allLineLocations()) { 100 if (location.lineNumber() == resume001a.BREAKPOINT_LINE_NUMBER) { 101 breakpointRequest = debuggee.getEventRequestManager().createBreakpointRequest(location); 102 break; 103 } 104 } 105 } catch (AbsentInformationException e) { 106 unexpectedException(e); 107 return; 108 } 109 110 if (breakpointRequest == null) { 111 setSuccess(false); 112 log.complain("Location for line " + resume001a.BREAKPOINT_LINE_NUMBER + " wasn't found in class " + testThreadClass.name()); 113 return; 114 } 115 116 breakpointRequest.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD); 117 breakpointRequest.enable(); 118 119 log.display("BreakpointRequest was created: " + breakpointRequest); 120 121 EventHandler eventHandler = new EventHandler(debuggee, log); 122 eventHandler.startListening(); 123 124 try { 125 /* 126 * Wait for BreakpointEvents from debuggee main thread and from each 127 * additional test thread 128 */ 129 final int suspendedThreadsNumber = resume001a.TEST_THREAD_NUMBER + 1; 130 131 EventListener listener = new EventListener(suspendedThreadsNumber); 132 eventHandler.addListener(listener); 133 134 pipe.println(resume001a.COMMAND_STOP_ALL_THREADS_AT_BREAKPOINT); 135 136 listener.waitForBreakpoints(); 137 138 log.display("Resume debuggee VM"); 139 140 debuggee.VM().resume(); 141 142 /* 143 * Wait for replay for previous command (resume001a.COMMAND_STOP_ALL_THREADS_AT_BREAKPOINT) 144 */ 145 if (!isDebuggeeReady()) 146 return; 147 148 pipe.println(resume001a.COMMAND_JOIN_TEST_THREADS); 149 150 if (!isDebuggeeReady()) 151 return; 152 153 ReferenceType debuggeeClass = debuggee.classByName(debuggeeClassNameWithoutArgs()); 154 155 Field counterField = debuggeeClass.fieldByName(resume001a.COUNTER_FIELD_NAME); 156 if (counterField == null) { 157 setSuccess(false); 158 log.complain("Field " + resume001a.COUNTER_FIELD_NAME + " wasn't found in class " + debuggeeClassNameWithoutArgs()); 159 return; 160 } 161 162 IntegerValue value = (IntegerValue) debuggeeClass.getValue(counterField); 163 164 /* 165 * Each suspended thread should increment counter after resuming 166 */ 167 if (value.value() != suspendedThreadsNumber) { 168 setSuccess(false); 169 log.complain("Unexpected value of field " + resume001a.COUNTER_FIELD_NAME + 170 ": " + value.intValue() + ", expected value is " + suspendedThreadsNumber); 171 } 172 } finally { 173 eventHandler.stopEventHandler(); 174 } 175 } 176 } 177