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SubjectRe: Question about I_SENDFD
On Thu, 7 Sep 2000, Andrey G. Kaplanov wrote:

> For instance, following command writes transDsc descriptor to the
> stream streamDsc.
> int ret = ioctl(streamDsc, I_SENDFD, transDsc);

> On Red Hat Linux kernel 2.2.16 ret is -1, errno is 22 - Invalid argument.

Implementing this ioctl for Linux should be trivial as...

> That is here done not so, or be other ways of transmission of file
> descriptor between processes?

... Unix sockets allow passing of fds as ancilliary data. See the
unix(7) manpage for details.

Simon

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