BIND 10 #2858: memory manager update processing

[BIND 10 Development]

#2858: memory manager update processing
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                   Reporter:         |                 Owner:
  jinmei                             |                Status:  new
                       Type:  task   |             Milestone:  New Tasks
                   Priority:         |              Keywords:
  medium                             |             Sensitive:  0
                  Component:  shmem  |           Sub-Project:  DNS
  manager                            |  Estimated Difficulty:  0
               CVSS Scoring:         |           Total Hours:  0
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
  shared memory data source          |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 Subtask of #2830. Depend on #2857.

 In this task, implement the memmgr side of
 http://bind10.isc.org/wiki/SharedMemoryIPC#a5.2.UpdateaSegment
 and
 http://bind10.isc.org/wiki/SharedMemoryIPC#a5.3.SwitchSegments

 Deal with the case where a reader dies at any timing.

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Ticket URL: <http://bind10.isc.org/ticket/2858>
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BIND 10 Development