# HG changeset patch
# User serb
# Date 1499381679 25200
# Node ID 627f9ae062502a6ab2305924e920e42403c47287
# Parent  b36d9a22240e0d166bb5bc9b4bcc9cae17a22d91
8178403: DirectAudio in JavaSound may hang and leak
Reviewed-by: prr, alitvinov

diff -r b36d9a22240e -r 627f9ae06250 src/share/classes/com/sun/media/sound/DirectAudioDevice.java
--- a/src/share/classes/com/sun/media/sound/DirectAudioDevice.java	Wed Jun 26 15:34:13 2019 -0700
+++ b/src/share/classes/com/sun/media/sound/DirectAudioDevice.java	Thu Jul 06 15:54:39 2017 -0700
@@ -1379,18 +1379,14 @@
                 // pre-empted while another thread changes doIO and notifies,
                 // before we wait (so we sleep in wait forever).
                 synchronized(lock) {
-                    if (!doIO) {
+                    while (!doIO && thread == curThread) {
                         try {
                             lock.wait();
-                        } catch(InterruptedException ie) {
-                        } finally {
-                            if (thread != curThread) {
-                                break;
-                            }
+                        } catch (InterruptedException ignored) {
                         }
                     }
                 }
-                while (doIO) {
+                while (doIO && thread == curThread) {
                     if (newFramePosition >= 0) {
                         clipBytePosition = newFramePosition * frameSize;
                         newFramePosition = -1;
diff -r b36d9a22240e -r 627f9ae06250 test/javax/sound/sampled/Clip/ClipCloseLoss.java
--- a/test/javax/sound/sampled/Clip/ClipCloseLoss.java	Wed Jun 26 15:34:13 2019 -0700
+++ b/test/javax/sound/sampled/Clip/ClipCloseLoss.java	Thu Jul 06 15:54:39 2017 -0700
@@ -33,7 +33,7 @@
 
 /**
  * @test
- * @bug 4946913
+ * @bug 4946913 8178403
  * @summary DirectClip doesn't kill the thread correctly, sometimes
  * @run main/othervm ClipCloseLoss
  * @key headful
@@ -47,7 +47,7 @@
     static int success = 0;
     static boolean failed = false;
 
-    public static void run(Mixer m) {
+    public static void run(Mixer m, long sleep) {
         Clip clip = null;
         try {
             if (m == null) {
@@ -69,6 +69,8 @@
             clip.open(new AudioInputStream(bais, format, frameCount));
 
             out(" clip.close()");
+            // emulates a different delay between open() and close()
+            Thread.sleep(sleep);
             //long t = System.currentTimeMillis();
             clip.close();
             //if (System.currentTimeMillis() - t > 1950) {
@@ -107,13 +109,15 @@
     public static void main(String[] args) throws Exception    {
         if (isSoundcardInstalled()) {
             bais.mark(0);
-            run(null);
             Mixer.Info[] infos = AudioSystem.getMixerInfo();
-            for (int i = 0; i<infos.length; i++) {
-                try {
-                    Mixer m = AudioSystem.getMixer(infos[i]);
-                    run(m);
-                } catch (Exception e) {
+            for (int sleep = 0; sleep < 100; ++sleep) {
+                run(null, sleep);
+                for (int i = 0; i < infos.length; i++) {
+                    try {
+                        Mixer m = AudioSystem.getMixer(infos[i]);
+                        run(m, sleep);
+                    } catch (Exception e) {
+                    }
                 }
             }
             out("Waiting 1 second to dispose of all threads");