Daniel, David, On 11/30/2014 06:23 PM, Florian Weimer wrote: > * David Herrmann: > >> On Sun, Nov 30, 2014 at 10:02 AM, Florian Weimer <fw@xxxxxxxxxxxxx> wrote: >>> * Greg Kroah-Hartman: >>> >>>> +7.4 Receiving messages > >>> What happens if this is not possible because the file descriptor limit >>> of the processes would be exceeded? EMFILE, and the message will not >>> be received? >> >> The message is returned without installing the FDs. This is signaled >> by EMFILE, but a valid pool offset. > > Oh. This is really surprising, so it needs documentation. But it's > probably better than the alternative (return EMFILE and leave the > message stuck, so that you receive it immediately again—this behavior > makes non-blocking accept rather difficult to use correctly). So, was this point in the end explicitly documented? I not obvious that it is documented in the revised kdbus.txt that Greg K-H sent out 4 days ago. Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
