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Date: Fri, 22 Nov 2002 19:34:04 +0900
From: Anthony Heading <aheading AT jpmorgan DOT com>
To: cygwin AT cygwin DOT com
Subject: Any known issues with signal delivery on 2-cpu boxes?
Message-ID: <20021122103404.GA7875@tkd-fires-02.ja.jpmorgan.com>
References: <20021122044722 DOT GA8875 AT redhat DOT com>
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On Thu, Nov 21, 2002 at 11:47:22PM -0500, Christopher Faylor wrote:
> I'm regenerating a snapshot right now which may become 1.3.16.
> Please try it. 

Might I ask whether there are any fixes or remaining known problems
with signals being lost on multi-processor machines?

The much reported 'rsync hangs' bug (search for those words in
the mail-archive if interested) I hunted down last month to SIGUSR2
being issued by one half of an rsync fork but not received by
the other.

The bug is apparently still there - frustratingly intermittent,
I can't now reproduce it myself with the latest cygwin release,
but a colleague of mine is seeing it about 50% of the time.
However we've only ever hit the problem on dual processor boxes.

I'm happy to keep exploring, but there have been no responses
by any of the cygwin experts to the bug reports, so I'm
not clear whether cygwin is simply not expected to handle signals
reliably on a dual processor box, or whether simply not enough
information has been given.

Thanks

Anthony

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