/* * Copyright (c) 2003, 2018, 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.
*/
class JdbLockTestTarg { static String jj = "jj"; publicstaticvoid main(String args[]) { synchronized(jj) {
sleeper xx = new sleeper();
xx.start(); // Give the sleeper a chance to run and get to // the synchronized statement. while(sleeper.started == 0) { try { Thread.sleep(100);
} catch(InterruptedException ee) {
}
} // At this bkpt, sleeper should be waiting on $classname.jj
System.out.println("Hello sailor"); // @1 breakpoint
}
}
}
class sleeper extendsThread { publicstaticint started = 0; publicvoid run() {
started = 1;
System.out.println(" sleeper starts sleeping"); synchronized(JdbLockTestTarg.jj) {
System.out.println(" sleeper got the lock");
}
System.out.println(" sleeper awakes");
}
}
@Override protectedvoid runCases() {
setBreakpointsFromTestSource("JdbLockTest.java", 1); // Run to breakpoint #1
jdb.command(JdbCommand.run());
// This should say that main owns the lock // and the sleeper thread is waiting for it.
execCommand(JdbCommand.lock("JdbLockTestTarg.jj"))
.shouldNotContain("Waiting thread: main");
}
}
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