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From Danny Yates <>
Subject Re: Testlistener Events in JUnit Slows Down Forked Tests in 1.8.x
Date Tue, 10 Aug 2010 19:54:39 GMT
Sorry, I didn't make myself clear. I was actually thinking of using a read
timeout so that the read call returns periodically and you can test
interrupted(), but on reflection, you can only do that with sockets.

I'll get my coat... ;-)

On 10 August 2010 20:45, Stefan Bodewig <> wrote:

> On 2010-08-10, Danny Yates wrote:
> > Why does the StreamPumper poll like that?
> So it can be interrupted.
> > Surely it should just block reading the InputStream?
> It used to do just that.
> On Windows if a process spawns children (grandchildren of Ant in this
> case) they inherit the streams of their parent.  In cases where a
> process forked by Ant spawns new processes and then finishs Ant would
> wait for the grandchildren which is not desired.  Instead we want Ant to
> go on once the forked process is done.
> > To deal with InterruptedException, you can just do a timed read and
> > test the interrupted flag before looping back to the blocking read.
> I'm not sure I follow you here.  Are you talking about NIO's Selector
> with "timed read"?  When Ant was changed to use polling we still lived
> in Java 1.3 API land and so never looked at NIO options.  I'm afraid the
> InputStreams provided by the Process class won't provide
> SelectableChannels, though.
> Stefan
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