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Date:	Tue, 04 Oct 2011 15:53:10 +0200
From:	Peter Rosin <peda AT lysator DOT liu DOT se>
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To:	cygwin AT cygwin DOT com
Subject:	Re: 1.7.9 Missing SIGPIPE?
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Peter Rosin skrev 2011-09-28 17:26:
> Hi!
> 
> When I use bash to build pipelines, they sometimes don't finish but
> instead some process remains running. Example:
> 
> $ tail -f -n 10000 log.txt | grep . | head -n 2
> 
> Almost instantly I get the expected two lines of output, but no prompt
> back. I have to use ctrl-c. If I don't ctrl-c I can run pstree in
> another terminal and see this:
> 
> $ pstree
> ?─┬─mintty───bash───tail
>   └─mintty───bash───pstree

This example is a poor one, as tail simply waits for a new line, when it
gets a new line it forwards it to the pipe and promptly receives a
SIGPIPE as grep is not there anymore.

I'll get back when I have distilled a better STC. If I can...

Cheers,
Peter

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