[pulseaudio] RFC: synchronize access to shared variable

[Omair Majid]

Hi,

The variable "writeInterrupted" is accessed everywhere while holding a
lock on "this", except for one place in
PulseAudioSourceDataLine.write(). The attached patch fixes this. Okay to
commit?

I suspect this may be the cause of RH681074 [1].

ChangeLog:

2012-06-28  Omair Majid  <omajid at redhat.com>

  *
pulseaudio/src/java/org/classpath/icedtea/pulseaudio/PulseAudioSourceDataLine.java
  (write): Synchronize access to writeInterrupted flag.

Thanks,
Omair

[1] https://bugzilla.redhat.com/show_bug.cgi?id=681074
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