Re: another little proposal

H. Peter Anvin (hpa@transmeta.com)
18 Aug 1997 08:26:17 GMT

Followup to: <x7u3gopdv1.fsf@sl-kb05.rz.uni-karlsruhe.de>
By author: Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
In newsgroup: linux.dev.kernel
>
> Hi,
>
> Again for the libc, I need an ioctl option which allows me to query
> the mode of a descriptor which was used in open. I.e.,
>
> int fd, mode;
> fd = open ("foo", O_RDONLY);
> ioctl (fd, FIGMODE, &mode);
>
> would fill `mode' with O_RDONLY etc. This should be pretty easy to add.
> (If something like this is already available please educate me.)
>

If anything, this would be an fcntl(); ioctl's are typically
per-inode, whereas fcntl's are per-file-descriptor.

-hpa

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