svn commit: r340038 - in head: lib/libc/sys sys/kern

[Conrad Meyer]

On Thu, Nov 1, 2018 at 5:46 PM Konstantin Belousov <kostikbel at gmail.com> wrote:
>
> On Thu, Nov 01, 2018 at 11:46:23PM +0000, Conrad Meyer wrote:
> > ...
> > @@ -232,7 +232,15 @@ points outside the process's allocated address space.
> >  A signal was delivered before the time limit expired and
> >  before any of the selected events occurred.
> >  .It Bq Er EINVAL
> > -The specified time limit is invalid. One of its components is negative or too large.
> > +The specified time limit is invalid.
> > +One of its components is negative or too large.
> > +.It Bq Er EINVAL
> > +The number of pollfd structures specified by
> > +.Fa nfds
> > +exceeds the system tunable
> > +.Va kern.maxfilesperproc
> > +and
> > +.Dv FD_SETSIZE .
>
> This is somewhat confusing.  Looking only at the man page text, most
> straight reading of it is that nfds cannot exceed min(maxfilesperproc,
> FD_SETSIZE).  But in fact nfds cannot exceed max of it, which is
> significantly different, i.e. poll(2) does not suffer from the (userspace)
> FD_SETSIZE limitation of select(2).

min(maxfilesperproc, FD_SETSIZE) would be written as "nfds exceeds ...
maxfilesperproc OR FD_SETSIZE," rather than "and."  I think the
sentence is unambiguous.

Best,
Conrad