1 /* 2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test LockCompilationTest 26 * @bug 8059624 27 * @library /testlibrary /../../test/lib / 28 * @modules java.management 29 * @build LockCompilationTest 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox 31 * sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCase$Helper::* LockCompilationTest 33 * @summary testing of WB::lock/unlockCompilation() 34 */ 35 36 import java.io.OutputStream; 37 import java.io.PrintWriter; 38 import java.util.concurrent.BrokenBarrierException; 39 import java.util.concurrent.CyclicBarrier; 40 import compiler.whitebox.CompilerWhiteBoxTest; 41 import jdk.test.lib.Asserts; 42 43 public class LockCompilationTest extends CompilerWhiteBoxTest { 44 public static void main(String[] args) throws Exception { 45 CompilerWhiteBoxTest.main(LockCompilationTest::new, args); 46 } 47 48 private LockCompilationTest(TestCase testCase) { 49 super(testCase); 50 // to prevent inlining of #method 51 WHITE_BOX.testSetDontInlineMethod(method, true); 52 } 53 54 protected void test() throws Exception { 55 checkNotCompiled(); 56 57 System.out.println("locking compilation"); 58 WHITE_BOX.lockCompilation(); 59 60 try { 61 System.out.println("trying to compile"); 62 compile(); 63 // to check if it works correctly w/ safepoints 64 System.out.println("going to safepoint"); 65 WHITE_BOX.fullGC(); 66 waitBackgroundCompilation(); 67 Asserts.assertTrue( 68 WHITE_BOX.isMethodQueuedForCompilation(method), 69 method + " must be in queue"); 70 Asserts.assertFalse( 71 WHITE_BOX.isMethodCompiled(method, false), 72 method + " must be not compiled"); 73 Asserts.assertEQ( 74 WHITE_BOX.getMethodCompilationLevel(method, false), 0, 75 method + " comp_level must be == 0"); 76 Asserts.assertFalse( 77 WHITE_BOX.isMethodCompiled(method, true), 78 method + " must be not osr_compiled"); 79 Asserts.assertEQ( 80 WHITE_BOX.getMethodCompilationLevel(method, true), 0, 81 method + " osr_comp_level must be == 0"); 82 } finally { 83 System.out.println("unlocking compilation"); 84 WHITE_BOX.unlockCompilation(); 85 } 86 waitBackgroundCompilation(); 87 Asserts.assertFalse( 88 WHITE_BOX.isMethodQueuedForCompilation(method), 89 method + " must not be in queue"); 90 } 91 } 92