[Iftop-users] [PATCH] options: select interface that is IPv4 default route (Closes: #644998)

[Shawn Landden]

On Mon, Jun 11, 2018 at 2:19 AM Paul Warren <pdw at ex-parrot.com> wrote:

> Hi Shawn,
>
> Thanks for this.  Unfortunately, it doesn't work:
>
> r = read(fds[1], &buf, sizeof(buf));
>
>

>
> Ahh, on my Ubuntu machine optimization led the close() on the wrong fd to
run _after_ the read(), so it worked. But thankfully you caught it (this is
why we test!).
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