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Date: Tue, 19 Aug 2008 09:48:14 +0200
Reply-To: "Christian Franke" <Christian DOT Franke AT t-online DOT de>
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Subject: Re: cygwin 1.7.0-28: Broken pipe signal broken?
From: "Christian Franke" <Christian DOT Franke AT t-online DOT de>
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Christopher Faylor wrote:
> On Mon, Aug 18, 2008 at 11:00:25PM -0400, Christopher Faylor wrote:
> >On Mon, Aug 18, 2008 at 01:55:20PM +0200, Christian Franke wrote:
> >>Result on 1.5.25-15:
> >>
> >>$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null
> >>[SIGPIPE!]write = -1, errno = 32
> >>
> >>Result on 1.7.0-28:
> >>
> >>$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null
> >>write = 0, errno = 32
> >
> >Yawn.  I almost went to bed without remembering into this.
> 
> Yeah.  "remembering into"  I obviously am tired.  What are the
> odds that this fix actually fixes the problem?
> 

It fixes the missing signal, but not the write() return value.

Result with cygwin1-20080818.dll:

$ ./testpipe | dd bs=1 count=1 >/dev/null 2>/dev/null
[SIGPIPE!]write = 0, errno = 32

Unfortunately, this makes things worse: bash now exits silently on
$(...) commands, so 'bash --login' fails.


Christian




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