Messages in this thread | | | Date | Wed, 19 Feb 2014 10:38:18 +0400 | From | Vladimir Davydov <> | Subject | Re: Unkillable R-state process stuck in sendfile |
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On 02/18/2014 11:13 PM, Valdis.Kletnieks@vt.edu wrote: > 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*?
I guess it's meaningless, so another fix (if this should be fixed at all) would be disabling splice to eventfd. However, I cannot be 100%-sure nobody splices data to eventfd...
Thanks.
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