[tor-bugs] #20993 [Applications/Tor Browser Sandbox]: Handle the lock file better.

[Tor Bug Tracker & Wiki]

#20993: Handle the lock file better.
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     Reporter:  yawning                           |      Owner:  yawning
         Type:  enhancement                       |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Applications/Tor Browser Sandbox  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 Instead of using "lock file is present" as the check, this should just use
 `flock()`, so that manual removal on the event of a crash isn't required.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20993>
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