BIND 10 #1452: add UDP socket passing to fd_X handling

[BIND 10 Development]

#1452: add UDP socket passing to fd_X handling
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                   Reporter:  jelte  |                 Owner:  vorner
                       Type:  task   |                Status:  reviewing
                   Priority:  major  |             Milestone:
                  Component:  DDNS   |  Sprint-20111220
                   Keywords:         |            Resolution:
            Defect Severity:  N/A    |             Sensitive:  0
Feature Depending on Ticket:  DDNS   |           Sub-Project:  DNS
        Add Hours to Ticket:  0      |  Estimated Difficulty:  5
                  Internal?:  0      |           Total Hours:  0
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Comment (by jinmei):

 (Forgot to mention this) commit 9d39266 is not really relevant to the
 subject of this task, but I thought it made sense to update the
 template at some point, and this task is a nice opportunity to do it.
 It's a completely separate diff and isn't even necessary to compile
 the rest of the branch, so the review of this diff can be deferred,
 and if the main changes are deemed to be too big we can completely defer
 9d39266 to a separate (new) task.

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Ticket URL: <http://bind10.isc.org/ticket/1452#comment:16>
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