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Re: Re: [RFC PATCH 0/5] Resend - Use procfs to change a syscall behavior [message #31810 is a reply to message #31808] Thu, 10 July 2008 09:30 Go to previous messageGo to previous message
Paul Menage is currently offline  Paul Menage
Messages: 642
Registered: September 2006
Senior Member
On Thu, Jul 10, 2008 at 2:14 AM, Nadia Derbey <Nadia.Derbey@bull.net> wrote:
> But I think that both ways of doing are not exactly the same in case of
> failure:
> open + dup2 will close newfd if it is already busy.
> while
> next-syscall_data + open will fail if the target fd is already busy. And
> that's the functionality we need during restart, isn't it?

No, I don't think so. The cryo restart code should be aware of exactly
which fds it has open and which it needs to open, and can shuffle them
around as necessary via dup2() to get them into the right places.

Paul
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