On Fri, 2015-10-23 at 09:00 -0700, Eric Dumazet wrote:
> on the pages you think there is an error that matters.
>
> >
> > > Have you tested the patch I sent ?
> >
> > The AF_UNIX poll one? No, I don't have the means to do so, and in any
> > case that's not a POSIX issue, just a plain bug. I'm happy to log a bug
> > if that helps.
BTW, there is no kernel bug here. POSIX poll() man page says :
POLLOUT
Normal data may be written without blocking.
If you attempt to write on a listener, write() does _not_ block and
returns -1, which seems correct behavior to me, in accordance with man
page.
socket(PF_LOCAL, SOCK_STREAM, 0) = 3
bind(3, {sa_family=AF_LOCAL, sun_path=@""}, 110) = 0
listen(3, 10) = 0
write(3, "test", 4) = -1 ENOTCONN (Transport endpoint is
not connected)
Could you point out which part of POSIX is mandating that af_unix
listener MUST filter out POLLOUT ?
Thanks.
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