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From Paul Sutton <>
Subject Re: graceful restarts, take 4
Date Mon, 21 Apr 1997 19:28:35 GMT
On Sun, 20 Apr 1997, Dean Gaudet wrote:
> On Sun, 20 Apr 1997, Paul Sutton wrote:
> > I would love to see graceful restarts implemented (as a patch for 1.2).
> > And a graceful die would be nice too -- and the moment it is a pain having
> > to wait for the server to be quiet before killing it to change versions. 
> Oh yeah that would be a good feature.  The problem I see with it is that
> it'll be hard to rebind to the ports.  For controlled servers you can use
> SO_REUSEADDR to let the new server take over.  But in general that's not
> safe (consider servers running on ports >1023 on public systems, this
> would let any user steal connections). 

No, I was thinking more along the lines of making the active children
intercept a kill signal and, rather than dying straight away (as now), use
it to close down their open sockets (except the client socket), then
continue to serve the request.


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