linux-kernel - Re: [PATCH v06 18/36] uapi linux/errqueue.h: include linux/time.h in user space

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Message-ID: <20170806205825.GG28459@lakka.kapsi.fi>
Date:   Sun, 6 Aug 2017 23:58:25 +0300
From:   Mikko Rapeli <mikko.rapeli@....fi>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH v06 18/36] uapi linux/errqueue.h: include linux/time.h in
 user space

On Sun, Aug 06, 2017 at 04:26:50PM -0400, Willem de Bruijn wrote:
> On Sun, Aug 6, 2017 at 4:23 PM, Willem de Bruijn
> <willemdebruijn.kernel@...il.com> wrote:
> > On Sun, Aug 6, 2017 at 12:44 PM, Mikko Rapeli <mikko.rapeli@....fi> wrote:
> >> linux/time.h conflicts with user space header time.h. Try to be compatible
> >> with both.
> >>
> >> Fixes userspace compilation error:
> >>
> >> error: array type has incomplete element type
> >>  struct timespec ts[3];
> >>
> >> Signed-off-by: Mikko Rapeli <mikko.rapeli@....fi>
> >> Cc: Willem de Bruijn <willemb@...gle.com>
> >> Cc: Soheil Hassas Yeganeh <soheil@...gle.com>
> >> Cc: netdev@...r.kernel.org
> >> ---
> >>  include/uapi/linux/errqueue.h | 6 ++++++
> >>  1 file changed, 6 insertions(+)
> >>
> >> diff --git a/include/uapi/linux/errqueue.h b/include/uapi/linux/errqueue.h
> >> index 07bdce1f444a..b310b2c6d94f 100644
> >> --- a/include/uapi/linux/errqueue.h
> >> +++ b/include/uapi/linux/errqueue.h
> >> @@ -3,6 +3,12 @@
> >>
> >>  #include <linux/types.h>
> >>
> >> +#ifdef __KERNEL__
> >> +#include <linux/time.h>
> >> +#else
> >> +#include <time.h>
> >> +#endif /* __KERNEL__ */
> >
> > This will break applications that include <linux/time.h> manually.
> 
> Also, the patch title reads "include <linux/time.h> in user space",
> but it includes <time.h> in that environment.

Oops, missed while squashing some commits. Will fix. Thanks!

-Mikko