Svante Signell, le Thu 18 Oct 2012 14:33:53 +0200, a écrit : > with errors specified by: > > ERRORS
POSIX does not document all errors that may happen, it's completely valid to fail for other errors. > POLLNVAL > The specified fd value is invalid. This flag is only valid in > the revents member; it shall ignored in the events member. > > Specifically, my interpretation of POLLNVAL is that it should be > reported for each invalid fd given as input. Ah. You should have pointed to that from the start :) > And my interpretation of POLLERR is that it should be reported to > _every_ fd (device or stream) given as input. > > And for these cases the return code should be the number of good fds as > well as bad fds, since the revents member is nonzero. (I did not come > that far in my changes by then, but it could easily be done with today's > knowledge! There are also other case to take care of like: POLLWRBAND > etc) Indeed. That's also what was completely missing in your previous description. It's indeed a bug. And it has to be fixed in poll only, not in select. Samuel
