Messages in this thread | | | Date | Mon, 20 Jul 2009 17:49:41 +0100 | From | Alan Cox <> | Subject | Re: using ioctl to change the interface's IP |
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On Mon, 20 Jul 2009 13:39:21 -0300 Rafael Almeida <almeidaraf@gmail.com> wrote:
> Hello, > > I was studying ioctl recently and I found out that, in order to change > the IP of a certain interface, you have to create a dummy socket with > socket(2) and use the returned file descriptor in the ioctl call. That > seems strange to me because the IP is not changed only for that > particular descriptor, but globally. Why wasn't a new system call > created for handling situations such as that?
You would have to ask the people who invented the Unix interface in question about thirty years ago
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