React to device reboots more gracefully. Previously, the provider would attempt to restart the worker as soon as an essential service died, even if the device was soon released after. Now that doesn't happen.

lib/cli.js

@@ -24,6 +24,10 @@ program
     , 'name (or os.hostname())'
     , String
     , os.hostname())
+  .option('-t, --restart-threshold <ms>'
+    , 'restart worker only if it stays alive for longer than this'
+    , Number
+    , 10000)
   .action(function() {
     var serials = cliutil.allUnknownArgs(arguments)
       , options = cliutil.lastArg(arguments)
@@ -37,6 +41,9 @@ program
 
     require('./roles/provider')({
       name: options.name
+    , restartThreshold: options.restartThreshold
+    , restartTimeout: 1000
+    , killTimeout: 10000
     , filter: function(device) {
         return serials.length === 0 || serials.indexOf(device.id) !== -1
       }