Cygwin piping misbehaviour

Chris Faylor cgf@cygnus.com
Mon Mar 13 08:01:00 GMT 2000


On Mon, Mar 13, 2000 at 02:40:52PM +0200, Paul Sokolovsky wrote:
>  While porting textutils with my tools, I found that running (under
>sh) cat <file>|head with sufficiently large file makes cat complain
>about broken pipe (I haven't yet implemented SIGPIPE generation). I
>tried that on cygwin and got no error. So, I considered behaviour of
>my version queer. But looking at source code of both cat and head,
>reading susv2 more and more assured me that I'm doing fine. I finally
>relieved when run that on linux and got "Broken pipe" report from
>shell.
>
>      Now question: why cygwin passes that silently? To my
>understanding, that sh who doesn't report termination by SIGPIPE. I
>have the same with both bash and ash. B20.1 on 95 and NT.

You're a programmer, right?  And you have source code available...

cgf

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