Jan Stary wrote:
> Upon startup, apmd(8) opens /dev/apmctl like this:
>
> if ((ctl_fd = open(fname, O_RDWR | O_CLOEXEC)) == -1) {
> if (errno != ENXIO && errno != ENOENT)
> error("cannot open device file `%s'", fname);
> }
>
> Why is it that we ignore ENXIO and ENOENT here?
> apmd(8) seems to go on using the fd as if opening successfully.
There are quite a few checks for ctl_fd == -1 elsewhere, in which case apmd
uses fake data, but a few are missing. And I'm not impressed with the idea in
general.
