In the old design, the driver/socket needed to return -ENOTTY to activate the default action(in file_vioctl) even if they handle O_NONBLOCK internally. This approach confuses many people and introduces the error you hit several times. So https://github.com/apache/incubator-nuttx/pull/6976 fixes this problem: the default action is activated when driver/socket return either OK or -ENOTTY. I suggest you cherry-pick this patch to enter the final solution.
On Fri, Nov 4, 2022 at 3:00 AM Jernej Turnsek <jernej.turn...@gmail.com> wrote: > I think I have a fix to this problem. If I change the initialization > value of the variable ret in function local_ioctl (file local_sockif.c) > from OK to -ENOTTY (like the fix in netdev_ioctl), it starts to work in my > case. I think it should not be a problem for other cases. What do you > think? > > On Thu, Nov 3, 2022 at 7:04 PM Xiang Xiao <xiaoxiang781...@gmail.com> > wrote: > > > Does your branch contain this patch? > > https://github.com/apache/incubator-nuttx/pull/5933 > > > > On Fri, Nov 4, 2022 at 1:11 AM Jernej Turnsek <jernej.turn...@gmail.com> > > wrote: > > > > > Hi, > > > > > > I am trying to set O_NONBLOCK flag with the help of fcntl on Local > Socket > > > structure (AF_UNIX) and I am not getting the non blocking > functionality. > > If > > > setting the SOCK_NONBLOCK flag while creating the socket, it is working > > > fine. I am using some Linux based code, where this functionality is > > > working. Is this a bug? > > > > > > Regards, > > > Jernej > > > > > >
