Re: Unkillable R-state process stuck in sendfile

[Valdis . Kletnieks]

On Mon, 17 Feb 2014 16:51:37 +0400, Vladimir Davydov said:

>         out_fd = eventfd(0, 0);
>         if (out_fd < 0)
>                 err(1, "eventfd");
>         ret = sendfile64(out_fd, in_fd, NULL, SIZE);

> I'm not sure if this is actually bad and should be fixed, but perhaps
> it's worth making do_generic_file_read() check for fatal signals pending
> and break the read loop if so?

Why do we even allow an eventfd to be fed to sendfile64 at all? What
does that even *mean*?

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