| /* |
| * Copyright (c) 2015, 2015, 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 org.graalvm.compiler.core.test.deopt; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| import org.junit.Assert; |
| import org.junit.Assume; |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.core.common.GraalOptions; |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| |
| import jdk.vm.ci.code.InstalledCode; |
| |
| public final class SafepointRethrowDeoptTest extends GraalCompilerTest { |
| |
| private static final Object RETURN_VALUE = "1 2 3"; |
| private static final RuntimeException BREAK_EX = new RuntimeException(); |
| private static final RuntimeException CONTINUE_EX = new RuntimeException(); |
| private static volatile int terminate; |
| private static volatile int entered; |
| |
| public static Object execute() { |
| entered = 1; |
| for (;;) { |
| try { |
| if (terminate != 0) { |
| throw BREAK_EX; |
| } else { |
| throw CONTINUE_EX; |
| } |
| } catch (RuntimeException e) { |
| if (e == BREAK_EX) { |
| break; |
| } else if (e == CONTINUE_EX) { |
| continue; |
| } |
| throw e; |
| } |
| } |
| return RETURN_VALUE; |
| } |
| |
| @Test |
| public void test() { |
| Assume.assumeTrue(GraalOptions.GenLoopSafepoints.getValue()); |
| synchronized (SafepointRethrowDeoptTest.class) { |
| // needs static fields |
| terminate = 1; |
| |
| InstalledCode installed = getCode(getResolvedJavaMethod("execute")); |
| |
| terminate = 0; |
| entered = 0; |
| CountDownLatch cdl = new CountDownLatch(1); |
| Thread t1 = new Thread(() -> { |
| try { |
| cdl.await(); |
| while (entered == 0) { |
| /* spin */ |
| } |
| installed.invalidate(); |
| } catch (InterruptedException e) { |
| Assert.fail("interrupted"); |
| } finally { |
| terminate = 1; |
| } |
| }); |
| Thread t2 = new Thread(() -> { |
| cdl.countDown(); |
| Object result; |
| try { |
| result = installed.executeVarargs(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| Assert.fail("exception"); |
| return; |
| } |
| Assert.assertEquals(RETURN_VALUE, result); |
| }); |
| |
| t1.start(); |
| t2.start(); |
| try { |
| t1.join(); |
| t2.join(); |
| } catch (InterruptedException e) { |
| Assert.fail("interrupted"); |
| } |
| } |
| } |
| } |