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/*
* 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.
*/
package nsk.jvmti.GetFrameCount;
import java.io.PrintStream;
public class framecnt001 {
final static int JCK_STATUS_BASE = 95;
native static void checkFrames(Thread thr, int thr_num, int ans);
native static int getRes();
static {
try {
System.loadLibrary("framecnt001");
} catch (UnsatisfiedLinkError ule) {
System.err.println("Could not load framecnt001 library");
System.err.println("java.library.path:"
+ System.getProperty("java.library.path"));
throw ule;
}
}
static Object flag1 = new Object();
static Object flag2 = new Object();
static Object check_flag = new Object();
public static void main(String args[]) {
args = nsk.share.jvmti.JVMTITest.commonInit(args);
// produce JCK-like exit status.
System.exit(run(args, System.out) + JCK_STATUS_BASE);
}
public static int run(String argv[], PrintStream ref) {
Thread currThread = Thread.currentThread();
framecnt001a thr1 = new framecnt001a("thr1", 0, flag1);
framecnt001a thr2 = new framecnt001a("thr2", 500, flag2);
synchronized(check_flag) {
synchronized(flag1) {
synchronized(flag2) {
thr1.start();
thr2.start();
checkFrames(currThread, 0, 3);
try {
flag1.wait();
flag2.wait();
} catch(InterruptedException e) {}
}
}
checkFrames(thr1, 1, 1);
checkFrames(thr2, 2, 501);
}
return getRes();
}
}
class framecnt001a extends Thread {
int steps;
Object flag;
framecnt001a(String name, int steps, Object flag) {
super(name);
this.steps = steps;
this.flag = flag;
}
public void run() {
if (steps > 0) {
steps--;
run();
}
synchronized(flag) {
flag.notify(); // let main thread know that all frames are in place
}
synchronized(framecnt001.check_flag) { // wait for the check done
}
}
}
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