1 /* 2 * Copyright (c) 2006, 2018, 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 26 * @bug 6384064 27 * @summary Check proper handling of interrupts 28 * @author Martin Buchholz 29 * @library /test/lib 30 */ 31 32 import static java.util.concurrent.TimeUnit.MILLISECONDS; 33 34 import java.util.ArrayList; 35 import java.util.List; 36 import java.util.concurrent.ArrayBlockingQueue; 37 import java.util.concurrent.BlockingDeque; 38 import java.util.concurrent.BlockingQueue; 39 import java.util.concurrent.LinkedBlockingDeque; 40 import java.util.concurrent.LinkedBlockingQueue; 41 import java.util.concurrent.SynchronousQueue; 42 import java.util.concurrent.Executor; 43 import java.util.concurrent.ScheduledThreadPoolExecutor; 44 import jdk.test.lib.Utils; 45 46 public class Interrupt { 47 static final long LONG_DELAY_MS = Utils.adjustTimeout(10_000); 48 checkInterrupted0(Iterable<Fun> fs, Executor ex)49 static void checkInterrupted0(Iterable<Fun> fs, Executor ex) { 50 for (Fun f : fs) { 51 try { 52 ex.execute(new Runnable() { 53 final Thread thisThread = Thread.currentThread(); 54 public void run() { thisThread.interrupt(); }}); 55 f.f(); 56 fail("Expected InterruptedException not thrown"); 57 } catch (InterruptedException e) { 58 check(! Thread.interrupted()); 59 } catch (Throwable t) { unexpected(t); } 60 } 61 } 62 checkInterrupted(Iterable<Fun> fs)63 static void checkInterrupted(Iterable<Fun> fs) 64 throws InterruptedException { 65 final Executor immediateExecutor = new Executor() { 66 public void execute(Runnable r) { 67 r.run(); }}; 68 final ScheduledThreadPoolExecutor stpe 69 = new ScheduledThreadPoolExecutor(1); 70 final Executor delayedExecutor = new Executor() { 71 public void execute(Runnable r) { 72 stpe.schedule(r, 20, MILLISECONDS); }}; 73 checkInterrupted0(fs, immediateExecutor); 74 checkInterrupted0(fs, delayedExecutor); 75 stpe.shutdown(); 76 check(stpe.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); 77 } 78 testQueue(final BlockingQueue<Object> q)79 static void testQueue(final BlockingQueue<Object> q) { 80 try { 81 final BlockingDeque<Object> deq = 82 (q instanceof BlockingDeque<?>) ? 83 (BlockingDeque<Object>) q : null; 84 q.clear(); 85 List<Fun> fs = new ArrayList<>(); 86 fs.add(() -> q.take()); 87 fs.add(() -> q.poll(LONG_DELAY_MS, MILLISECONDS)); 88 if (deq != null) { 89 fs.add(() -> deq.takeFirst()); 90 fs.add(() -> deq.takeLast()); 91 fs.add(() -> deq.pollFirst(LONG_DELAY_MS, MILLISECONDS)); 92 fs.add(() -> deq.pollLast(LONG_DELAY_MS, MILLISECONDS)); 93 } 94 95 checkInterrupted(fs); 96 97 // fill q to capacity, to ensure insertions will block 98 while (q.remainingCapacity() > 0) 99 try { q.put(1); } 100 catch (Throwable t) { unexpected(t); } 101 102 fs.clear(); 103 fs.add(() -> q.put(1)); 104 fs.add(() -> q.offer(1, LONG_DELAY_MS, MILLISECONDS)); 105 if (deq != null) { 106 fs.add(() -> deq.putFirst(1)); 107 fs.add(() -> deq.putLast(1)); 108 fs.add(() -> deq.offerFirst(1, LONG_DELAY_MS, MILLISECONDS)); 109 fs.add(() -> deq.offerLast(1, LONG_DELAY_MS, MILLISECONDS)); 110 } 111 checkInterrupted(fs); 112 } catch (Throwable t) { 113 System.out.printf("Failed: %s%n", q.getClass().getSimpleName()); 114 unexpected(t); 115 } finally { 116 Thread.interrupted(); // clear interrupts, just in case 117 } 118 } 119 realMain(final String[] args)120 private static void realMain(final String[] args) throws Throwable { 121 testQueue(new SynchronousQueue<Object>()); 122 testQueue(new ArrayBlockingQueue<Object>(1,false)); 123 testQueue(new ArrayBlockingQueue<Object>(1,true)); 124 testQueue(new LinkedBlockingQueue<Object>(1)); 125 testQueue(new LinkedBlockingDeque<Object>(1)); 126 } 127 128 //--------------------- Infrastructure --------------------------- 129 static volatile int passed = 0, failed = 0; pass()130 static void pass() {passed++;} fail()131 static void fail() {failed++; Thread.dumpStack();} fail(String msg)132 static void fail(String msg) {System.out.println(msg); fail();} unexpected(Throwable t)133 static void unexpected(Throwable t) {failed++; t.printStackTrace();} check(boolean cond)134 static void check(boolean cond) {if (cond) pass(); else fail();} equal(Object x, Object y)135 static void equal(Object x, Object y) { 136 if (x == null ? y == null : x.equals(y)) pass(); 137 else fail(x + " not equal to " + y);} main(String[] args)138 public static void main(String[] args) throws Throwable { 139 try {realMain(args);} catch (Throwable t) {unexpected(t);} 140 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 141 if (failed > 0) throw new AssertionError("Some tests failed");} f()142 interface Fun {void f() throws Throwable;} 143 } 144