Re: file ID redesign proposal

[Richard Gooch]

Michael Elizabeth Chastain writes:
> Hello kernel hackers,
> 
> How about an O_FDANY flag to open(2), which indicates that the
> caller will accept any positive number as a file descriptor?
> 
> Similarly, for network connects, a setsockopt(SO_FDANY).
> 
> Just an idea.  If it's stupid, flame me gently, please.

I think it's a good idea. Better than adding a new syscall (besides,
you'd then need open_any(2) and open64_any(2)).
And it's easy for people to make use of in a reliable way:

int flags = 0;
#ifdef O_FDANY
    flags |= O_FDANY;
#endif
    fd = open ("/tmp/file", flags, 0);

				Regards,

					Richard....