linux-kernel - Re: popen2 popen call

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Date:	Sun, 6 Sep 2009 01:55:48 -0700
From:	Ulrich Drepper <drepper@...il.com>
To:	"F. Heitkamp" <heitkamp@...ritech.net>
Cc:	Andreas Schwab <schwab@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: popen2 popen call

On Sat, Sep 5, 2009 at 10:39, F. Heitkamp<heitkamp@...ritech.net> wrote:
> linux-pipe.c:(.text+0x3b): warning: warning: pipe2 is not implemented and
> will always fail

you will get this warning if the glibc you're using was compiled
without appropriate kernel headers.  I.e., the definition of
__NR_pipe2 wasn't available.
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