On Thu, Oct 30, 2003 at 07:46:38AM -0800, andi payn wrote:
> In FreeBSD, this doesn't work; you just get EINVAL.
I believe this is because of a security problem discovered a few
years ago, where you could open a file like /dev/io for neither
read nor write but still get the special privelages associated with
having the file open.
If you were to allow people to open files without read or write
permission you'd need to fix problems like this in a different way.
David.
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