some improvments

Author: Amoki

lib/helpers/child-process.js

@@ -80,7 +80,10 @@ process.on('message', function(task) {
 
 process.on('SIGTERM', function() {
   if(file_path) {
-    fs.unlinkSync(path);
+    try {
+      fs.unlinkSync(path);
+    }
+    catch (err) {}
   }
   process.disconnect();
   process.exit(0);

lib/helpers/hydrater.js

@@ -49,9 +49,6 @@ module.exports = function(hydraterFunction, logger, errLogger) {
          */
         var cleaner = function(err, changes) {
           if(!cleaner.called) {
-            if(child.connected) {
-              child.kill('SIGKILL');
-            }
             cleaner.called = true;
             cb(err, changes);
           }
@@ -127,6 +124,9 @@ module.exports = function(hydraterFunction, logger, errLogger) {
             errLogger('Killing task: ' + ((task.file_path) ? task.file_path : task.document.id));
             child.kill('SIGTERM');
             setTimeout(function() {
+              if(child.connected) {
+                child.kill('SIGKILL');
+              }
               cleaner(null, changes);
             }, 10 * 1000);
           }