[tor-bugs] #10201 [Tor bundles/installation]: Firefox ESR 24 sometimes hangs during exit on Mac OS

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#10201: Firefox ESR 24 sometimes hangs during exit on Mac OS
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     Reporter:  mcs                       |      Owner:  erinn
         Type:  defect                    |     Status:  new
     Priority:  normal                    |  Milestone:
    Component:  Tor bundles/installation  |    Version:
   Resolution:                            |   Keywords:
Actual Points:                            |  Parent ID:  #10103
       Points:                            |
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Comment (by brade):

 We do not fully understand what is going on, but Kathy and I came up with
 a fix.

 It turns out that the hang does not occur if, when using the socket
 transport service, you close the input and output streams before closing
 the socket.  Doing so inside Torbutton fixes this hang (Torbutton opens a
 connection to the tor control port at startup to check that the browser's
 proxy settings point to tor).  We will make a similar fix inside Tor
 Launcher just in case.

 We are probably masking an underlying Firefox ESR24 bug (the socket
 transport service never shuts down).  But I think we have spent enough
 time looking at this for now.

 I will commit the Torbutton and Tor Launcher fixes to the brade repos
 early next week and comment again here.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10201#comment:6>
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