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8266421: Deadlock in Sound System
Reviewed-by: phh, aph Backport-of: f6f82c3
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| /* | ||
| * Copyright (c) 2021, 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. | ||
| */ | ||
|
|
||
| import javax.sound.sampled.AudioFormat; | ||
| import javax.sound.sampled.AudioSystem; | ||
| import javax.sound.sampled.Clip; | ||
| import javax.sound.sampled.LineUnavailableException; | ||
|
|
||
| /** | ||
| * @test | ||
| * @bug 8266421 | ||
| * @summary Tests that Clip.setFramePosition/setMicrosecondPosition do not hang. | ||
| */ | ||
| public final class SetPositionHang implements Runnable { | ||
|
|
||
| private static volatile boolean testFramePosition; | ||
| private final Clip clip; | ||
| private final String thread; | ||
|
|
||
| private SetPositionHang(String thread, Clip clip) { | ||
| this.thread = thread; | ||
| this.clip = clip; | ||
| } | ||
|
|
||
| public static void main(String[] args) throws Exception { | ||
| testFramePosition = false; | ||
| test(); | ||
| testFramePosition = true; | ||
| test(); | ||
| } | ||
|
|
||
| private static void test() throws InterruptedException { | ||
| try (Clip clip = AudioSystem.getClip()) { | ||
| // prepare audio data | ||
| int frameCount = 441000; // lets say 10 seconds | ||
| AudioFormat format = new AudioFormat(44100.0f, 16, 2, true, false); | ||
| byte[] bytes = new byte[frameCount * format.getFrameSize()]; | ||
|
|
||
| clip.open(format, bytes, 0, frameCount); | ||
| Thread t1 = new Thread(new SetPositionHang("1", clip)); | ||
| Thread t2 = new Thread(new SetPositionHang("2", clip)); | ||
| Thread t3 = new Thread(new SetPositionHang("3", clip)); | ||
| Thread t4 = new Thread(new SetPositionHang("4", clip)); | ||
| Thread t5 = new Thread(new SetPositionHang("5", clip)); | ||
| t1.start(); | ||
| t2.start(); | ||
| t3.start(); | ||
| t4.start(); | ||
| t5.start(); | ||
| t1.join(); | ||
| t2.join(); | ||
| t3.join(); | ||
| t4.join(); | ||
| t5.join(); | ||
| } catch (LineUnavailableException | IllegalArgumentException ignored) { | ||
| // the test is not applicable | ||
| } | ||
| } | ||
|
|
||
| public void run() { | ||
| System.out.println("Thread " + thread + " Start"); | ||
| for (int i = 0; i < 100; i++) { | ||
| // System.out.println("Thread " + thread + " Play " + | ||
| // System.currentTimeMillis() % 100000); | ||
| playSound(); | ||
| try { | ||
| Thread.sleep(i); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| System.out.println("Thread " + thread + " Finish"); | ||
| } | ||
|
|
||
| private void playSound() { | ||
| if (clip.isRunning()) { | ||
| clip.stop(); | ||
| } | ||
| if (testFramePosition) { | ||
| clip.setFramePosition(0); | ||
| } else { | ||
| clip.setMicrosecondPosition(0); | ||
| } | ||
| clip.start(); | ||
| } | ||
| } |
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