[tor-bugs] #21542 [Applications/Tor Launcher]: use Subprocess.jsm to launch tor

[Tor Bug Tracker & Wiki]

#21542: use Subprocess.jsm to launch tor
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     Reporter:  mcs                        |      Owner:  brade
         Type:  defect                     |     Status:  new
     Priority:  Medium                     |  Milestone:
    Component:  Applications/Tor Launcher  |    Version:
     Severity:  Normal                     |   Keywords:  tbb-usability,
                                           |  ff52-esr
Actual Points:                             |  Parent ID:  #10059
       Points:                             |   Reviewer:
      Sponsor:                             |
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 In Firefox 49, Mozilla added a new Subprocess.jsm module (they use it to
 implement the WebExtensions Native Messaging API). Kathy and I have not
 looked at it closely yet, but this module may provide a better way for Tor
 Launcher to start and manage the tor process. In particular,
 Subprocess.jsm provides access to stderr which would allow Tor Launcher to
 capture all output produced by tor.

 Docs:
 http://gecko.readthedocs.io/en/latest/toolkit/modules/subprocess/toolkit_modules/subprocess/

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21542>
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