Alan Bateman 2586f36120 8304919: Implementation of Virtual Threads
Reviewed-by: lmesnik, cjplummer, psandoz, mchung, sspitsyn, jpai
2023-04-11 05:49:54 +00:00

119 lines
3.6 KiB
Java

/*
* Copyright (c) 2003, 2023, 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.
*
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*/
import java.io.*;
/*
* @test
*
* @summary converted from VM Testbase nsk/jvmti/Breakpoint/breakpoint001.
* VM Testbase keywords: [quick, jpda, jvmti, onload_only_caps, noras]
* VM Testbase readme:
* DESCRIPTION
* This test exercises the JVMTI event Breakpoint.
* It verifies that thread info, method info and location of received
* Breakpoint events will be the same with two breakpoints previously
* set on the methods 'bpMethod()' and 'bpMethod2()' via the function
* SetBreakpoint().
* COMMENTS
*
* @library /test/lib
*
* @comment make sure breakpoint01 is compiled with full debug info
* @clean breakpoint01
* @compile -g:lines,source,vars breakpoint01.java
* @run main/othervm/native -agentlib:breakpoint01 breakpoint01
*/
/**
* This test exercises the JVMTI event <code>Breakpoint</code>.
* <br>It verifies that thread info, method info and location of
* received Breakpoint events will be the same with two breakpoints
* previously set on the methods <code>bpMethod()</code> and
* <code>bpMethod2()</code> via the function SetBreakpoint().
*/
public class breakpoint01 {
static {
System.loadLibrary("breakpoint01");
}
native int check();
public static void main(String[] argv) {
int result = new breakpoint01().runThis();
if (result != 0 ) {
throw new RuntimeException("Check returned " + result);
}
}
private int runThis() {
Runnable virtualThreadTest = () -> {
Thread.currentThread().setName("breakpoint01Thr");
System.out.println("Reaching a breakpoint method ...");
bpMethodV();
System.out.println("The breakpoint method leaved ...");
};
Thread thread = Thread.startVirtualThread(virtualThreadTest);
try {
thread.join();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
Thread.currentThread().setName("breakpoint01Thr");
bpMethod();
return check();
}
/**
* dummy method used only to reach breakpoint set in the agent
*/
private void bpMethod() {
int dummyVar = bpMethod2();
}
/**
* dummy method used only to reach breakpoint set in the agent
*/
private int bpMethod2() {
return 0;
}
/**
* dummy method used only to reach breakpoint set in the agent
*/
private void bpMethodV() {
int dummyVar = bpMethod2V();
}
/**
* dummy method used only to reach breakpoint set in the agent
*/
private int bpMethod2V() {
return 0;
}
}