On Sat, 25 Jan 2014, Chris Dickens wrote:

> You are going to have trouble using the same interface from two different
> processes. Linux maintains exclusive access for a process once it has
> claimed an interface until it is released or the file descriptor is closed
> (either intentionally or from the process exiting).

That's not true at all.  Linux maintains exclusive access for an _open 
file reference_ once an interface has been claimed.  Not for a process.

> If you claim the
> interface in the parent, you'll get EBUSY in the child.

Since open file references are shared between a parent and a child, 
there should be no problem.

Alan Stern


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