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

Daniel Lezcano wrote:

Michael Kerrisk wrote:

quoted

quoted

On Fri, Oct 31, 2008 at 4:56 PM, Daniel Lezcano [off-list ref] wrote:

quoted

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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