BIND 10 #1705: attempt to run multiple auth servers causes FATAL [b10-auth.server_common] SRVCOMM_EXCEPTION_ALLOC exception when allocating a socket: File exists

[BIND 10 Development]

#1705: attempt to run multiple auth servers causes FATAL [b10-auth.server_common]
SRVCOMM_EXCEPTION_ALLOC exception when allocating a socket: File exists
-------------------------------------+-------------------------------------
                   Reporter:  jreed  |                 Owner:  vorner
                       Type:         |                Status:  reviewing
  defect                             |             Milestone:
                   Priority:  major  |  Sprint-20120306
                  Component:         |            Resolution:
  Inter-module communication         |             Sensitive:  0
                   Keywords:         |           Sub-Project:  Core
            Defect Severity:  N/A    |  Estimated Difficulty:  0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 Why is this still open?

 But as it's still open: I noticed one thing:

 {{{#!c++
     int new_fd(dup(fd));
     close(fd);
     return (new_fd);
 }}}

 dup(2) can fail.  We should catch that situation.

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Ticket URL: <https://bind10.isc.org/ticket/1705#comment:5>
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