[tbb-bugs] #12941 [Tor Browser]: Firefox is already running.

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#12941: Firefox is already running.
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     Reporter:  mttp         |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  tbb-helpdesk-frequent
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by mcs):

 On Linux and Mac OS, fcntl() F_SETLK is used for locking (assuming the
 file system supports it).  I don't understand why the locks are not being
 automatically cleared by the OS.  Relevant Mozilla code is here:

 http://mxr.mozilla.org/mozilla-
 esr24/source/profile/dirserviceprovider/src/nsProfileLock.cpp#527

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12941#comment:10>
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