1 /* 2 * Copyright (c) 2014, 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 /testlibrary/whitebox 28 * @build LockCompilationTest 29 * @run main ClassFileInstaller sun.hotspot.WhiteBox 30 * sun.hotspot.WhiteBox$WhiteBoxPermission 31 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* LockCompilationTest 32 * @summary testing of WB::lock/unlockCompilation() 33 */ 34 35 import java.io.OutputStream; 36 import java.io.PrintWriter; 37 import java.util.concurrent.BrokenBarrierException; 38 import java.util.concurrent.CyclicBarrier; 39 40 import com.oracle.java.testlibrary.Asserts; 41 42 public class LockCompilationTest extends CompilerWhiteBoxTest { 43 public static void main(String[] args) throws Exception { 44 CompilerWhiteBoxTest.main(LockCompilationTest::new, args); 45 } 46 47 private LockCompilationTest(TestCase testCase) { 48 super(testCase); 49 // to prevent inlining of #method 50 WHITE_BOX.testSetDontInlineMethod(method, true); 51 } 52 53 protected void test() throws Exception { 54 checkNotCompiled(); 55 56 System.out.println("locking compilation"); 57 WHITE_BOX.lockCompilation(); 58 59 try { 60 System.out.println("trying to compile"); 61 compile(); 62 // to check if it works correctly w/ safepoints 63 System.out.println("going to safepoint"); 64 WHITE_BOX.fullGC(); 65 waitBackgroundCompilation(); 66 Asserts.assertTrue( 67 WHITE_BOX.isMethodQueuedForCompilation(method), 68 method + " must be in queue"); 69 Asserts.assertFalse( 70 WHITE_BOX.isMethodCompiled(method, false), 71 method + " must be not compiled"); 72 Asserts.assertEQ( 73 WHITE_BOX.getMethodCompilationLevel(method, false), 0, 74 method + " comp_level must be == 0"); 75 Asserts.assertFalse( 76 WHITE_BOX.isMethodCompiled(method, true), 77 method + " must be not osr_compiled"); 78 Asserts.assertEQ( 79 WHITE_BOX.getMethodCompilationLevel(method, true), 0, 80 method + " osr_comp_level must be == 0"); 81 } finally { 82 System.out.println("unlocking compilation"); 83 WHITE_BOX.unlockCompilation(); 84 } 85 waitBackgroundCompilation(); 86 Asserts.assertFalse( 87 WHITE_BOX.isMethodQueuedForCompilation(method), 88 method + " must not be in queue"); 89 } 90 } 91