Merge branch 'feature/dashboard' of github.com:jeffsu/upbeat into fea…

…ture/dashboard

lib/strategies/pidfile.ms

@@ -1,4 +1,23 @@
+var exec = require('child_process').exec;
+var fs = require('fs');
+
 module.exports = #(options) {
-  // open file, check to see if pid exists
+  var pidfile = options.pidfile;
+  var exec    = require('child_process').exec;
+  var fs      = require('fs');
+
+  return #(cb) {
+    fs.readFile(pidfile, #(err, pid) {
+      if (err) return cb('error opening file');
+
+      var command = 'ps -p ' + pid.toString().trim() + ' -o comm=';
+      exec(command, process.env, #(err, stdout, stderr) {
+        if (err) return cb(err);
 
+        var pass = stdout.toString().match(/\n/);
+        if (!pass) cb('process not running');
+        else cb();
+      });
+    });
+  }
 };