/* * Copyright (c) 2008, 2022, 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.
*/
public ResumeOneThreadTarg(String name) { super(name);
}
publicstaticvoid main(String[] args) {
System.out.println(" Debuggee: Howdy!");
ResumeOneThreadTarg t1 = new ResumeOneThreadTarg(name1);
ResumeOneThreadTarg t2 = new ResumeOneThreadTarg(name2); // Force these threads to be non-daemon threads, even when the debuggee // is being run as a vthread. See JDK-8283796.
t1.setDaemon(false);
t2.setDaemon(false);
t1.start();
t2.start();
}
// This just starts two threads. Each runs to a bkpt. publicvoid run() { if (getName().equals(name1)) {
run1();
} else {
run2();
}
}
synchronizedpublicvoid 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();
// 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 **********/
protectedvoid 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(); finalThread mainThread = Thread.currentThread();
/* * 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 { thrownew Exception("ResumeOneThreadTest: failed");
}
}
}
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