Restarting DHCP safely whilst avoiding partner-down state

[Simon Hobson]

Chuck Anderson <cra at WPI.EDU> wrote:

> Is there a way to signal dhcpd to write out the lease file so it can
> be checked?

Surely a simple change would be to not act on a normal kill signal in the middle of a lease file write ? Capture that the signal arrived, and act on it as soon as the complete lease has been written.
That one change alone would completely remove the "wrote half a lease to the file" issue.