[Devel] Re: [patch 1/2][RFC] add socketat syscall

[Cedric Le Goater]

Daniel Lezcano wrote:
> Michael Kerrisk wrote:
>>> On Fri, Oct 31, 2008 at 4:56 PM, Daniel Lezcano <dlezcano at fr.ibm.com> wrote:
>>>> This patch adds the socketat syscall which allows to specify in
>>>> which network namespace we want to create a socket. The network
>>>> namespace destination is referred by a socket fd previously opened
>>>> in the destination network namespace.
>> Daniel,
>>
>> Is there any documentation for this system call, and/or test programs?
> 
> Not yet.
> 
> This small patch is a proposition to Andreas and Vivien to have a single 
> process being able to manage several network namespaces.
> 
> When a process unshares the network, it creates a socket which is used 
> as a socket control (it belongs to the network namespace). Each time a 
> network namespace is created, a socket control is created.
> 
> When the process has to create a socket for a specific network 
> namespace, it can use the socket control to specify it. This is the 
> purpose of the socketat syscall.

what about eric's proposal of adding an fd argument to sys_socket() ? was it 
dropped ?

C. 

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