8156169: Some sound tests rarely hangs because of incorrect synchronization

Reviewed-by: prr, amenkov
This commit is contained in:
Sergey Bylokhov 2016-05-18 20:40:17 +03:00
parent 3179e6a792
commit da73758e61
7 changed files with 136 additions and 24 deletions

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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2016, 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
@ -59,10 +59,9 @@ abstract class AbstractDataLine extends AbstractLine implements DataLine {
// current buffer size in bytes
protected int bufferSize;
protected boolean running = false;
private boolean started = false;
private boolean active = false;
private volatile boolean running;
private volatile boolean started;
private volatile boolean active;
/**
* Constructs a new AbstractLine.

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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2016, 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
@ -47,7 +47,7 @@ abstract class AbstractLine implements Line {
protected final Line.Info info;
protected Control[] controls;
AbstractMixer mixer;
private boolean open = false;
private volatile boolean open;
private final Vector<Object> listeners = new Vector<>();
/**

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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2016, 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
@ -65,7 +65,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
// DEVICE STATE
private boolean open = false;
private volatile boolean open;
private int openRefCount;
/** List of Receivers and Transmitters that opened the device implicitely.
@ -75,7 +75,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
/**
* This is the device handle returned from native code
*/
protected long id = 0;
protected volatile long id;
@ -479,7 +479,7 @@ abstract class AbstractMidiDevice implements MidiDevice, ReferenceCountingDevice
(which opens the device implicitely).
*/
abstract class AbstractReceiver implements MidiDeviceReceiver {
private boolean open = true;
private volatile boolean open = true;
/** Deliver a MidiMessage.

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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2016, 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
@ -38,7 +38,7 @@ import javax.sound.midi.*;
*/
final class MidiInDevice extends AbstractMidiDevice implements Runnable {
private Thread midiInThread = null;
private volatile Thread midiInThread;
// CONSTRUCTOR

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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2016, 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
@ -106,7 +106,7 @@ final class RealTimeSequencer extends AbstractMidiDevice
/**
* True if the sequence is running.
*/
private boolean running = false;
private volatile boolean running;
/** the thread for pushing out the MIDI messages */
@ -116,7 +116,7 @@ final class RealTimeSequencer extends AbstractMidiDevice
/**
* True if we are recording
*/
private boolean recording = false;
private volatile boolean recording;
/**

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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2016, 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
@ -266,11 +266,7 @@ public class Sequence {
* @see #getTracks
*/
public boolean deleteTrack(Track track) {
synchronized(tracks) {
return tracks.removeElement(track);
}
return tracks.removeElement(track);
}
/**
@ -282,8 +278,8 @@ public class Sequence {
* @see #deleteTrack
*/
public Track[] getTracks() {
return tracks.toArray(new Track[tracks.size()]);
// Creation of the non-empty array will be synchronized inside toArray()
return tracks.toArray(new Track[0]);
}
/**

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@ -0,0 +1,117 @@
/*
* Copyright (c) 2016, 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 java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineUnavailableException;
/**
* @test
* @bug 8156169
* @run main/othervm/timeout=300 IsRunningHang
*/
public final class IsRunningHang {
private static CountDownLatch go;
/**
* We will try to use all usually supported formats.
*/
private static final List<AudioFormat> formats = new ArrayList<>();
private static final AudioFormat.Encoding[] encodings = {
AudioFormat.Encoding.ALAW, AudioFormat.Encoding.ULAW,
AudioFormat.Encoding.PCM_SIGNED, AudioFormat.Encoding.PCM_UNSIGNED,
AudioFormat.Encoding.PCM_FLOAT
};
private static final int[] sampleRates = {8000, 16000, 48000};
private static final int[] sampleBits = {8, 16, 24, 32, 64};
private static final int[] channels = {1, 2, 3, 5};
static {
for (final Boolean end : new boolean[]{false, true}) {
for (final int sampleSize : sampleBits) {
for (final int sampleRate : sampleRates) {
for (final int channel : channels) {
for (final AudioFormat.Encoding enc : encodings) {
int s = ((sampleSize + 7) / 8) * channel;
formats.add(new AudioFormat(enc, sampleRate,
sampleSize, channel,
s, sampleRate, end));
}
}
}
}
}
}
public static void main(final String[] args) throws Exception {
for (final AudioFormat format : formats) {
System.out.println("format = " + format);
// create a 0.5-second data
byte[] soundData = new byte[(int) (format.getFrameRate()
* format.getFrameSize()
/ 2)];
try {
test(format, soundData);
} catch (LineUnavailableException | IllegalArgumentException ignored) {
// the test is not applicable
}
}
}
private static void test(final AudioFormat format, final byte[] data)
throws Exception {
final Line.Info info = new DataLine.Info(Clip.class, format);
final Clip clip = (Clip) AudioSystem.getLine(info);
go = new CountDownLatch(1);
clip.addLineListener(event -> {
if (event.getType().equals(LineEvent.Type.START)) {
go.countDown();
}
});
clip.open(format, data, 0, data.length);
clip.start();
go.await();
while (clip.isRunning()) {
// This loop should not hang
}
while (clip.isActive()) {
// This loop should not hang
}
clip.close();
}
}