[MacPorts] #24858: Simultaneous install of same port ends in error

[MacPorts]

#24858: Simultaneous install of same port ends in error
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  Reporter:  ryandesign@…             |       Owner:  macports-tickets@…                   
      Type:  defect                   |      Status:  closed                               
  Priority:  Normal                   |   Milestone:                                       
 Component:  base                     |     Version:  1.8.99                               
Resolution:  duplicate                |    Keywords:                                       
      Port:                           |  
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Changes (by jmr@…):

  * status:  new => closed
  * resolution:  => duplicate


Comment:

 Same thing as #19935. It's basically a TOCTOU error, you can't install
 something that's already installed even if the statefile lock prevents
 both processes from trying it at once.

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Ticket URL: <http://trac.macports.org/ticket/24858#comment:1>
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