Remove extra event emitter object, also suppress res errors

index.js

@@ -250,45 +250,44 @@ function createFastCGIHandler(options) {
     }
   });
 
-  var stdoutPushEvent = new EventEmitter();
-
   function stdoutPush(data) {
     if(data === null) {
       stdoutToEnd = true;
     } else {
       stdoutBuffer = Buffer.concat([stdoutBuffer, Buffer.from(data)]);
     }
-    stdoutPushEvent.emit("ready");
+    var hpLength = hp.length;
+    for(var i = 0; i < hpLength; i++) {
+      var func = hp.shift();
+      if(func) func();
+    }
     emulatedStdout.resume();
   }
 
-  function stdoutRead(n, callback) {
-    if(stdoutBuffer.length == 0 && stdoutToEnd) {
-      callback(Buffer.alloc(0));
-    } else if(n != 0) {
-      var handler = function() {
-        if(n > stdoutBuffer.length && !stdoutToEnd) {
-          stdoutPushEvent.once("ready", handler);
-          fs.writeFileSync("/tmp/fai", "");
+  var zeroed = false;
+  var stdoutBuffer = Buffer.alloc(0);
+  var stdoutToEnd = false;
+  var hp = [];
+  var emulatedStdout = new stream.Readable({
+    read: function (n) {
+      var s = this;
+      var handler = function () {
+        if (stdoutBuffer.length == 0) {
+          if (!stdoutToEnd) {
+            hp.push(handler);
+            s.pause();
+          } else {
+            s.push(null);
+          }
         } else {
           var bytesToPush = Math.min(stdoutBuffer.length, n);
           var bufferToPush = stdoutBuffer.subarray(0, bytesToPush);
           stdoutBuffer = stdoutBuffer.subarray(bytesToPush);
-          callback(bufferToPush);
+          s.push(bufferToPush);
+          if (stdoutBuffer.length == 0 && !stdoutToEnd) s.pause();
         }
       };
-      handler();
-    }
-  }
-
-  var stdoutBuffer = Buffer.alloc(0);
-  var stdoutToEnd = false;
-  var emulatedStdout = new stream.Readable({
-    read: function (n) {
-      var s = this;
-      stdoutRead(n, function(buffer) {
-        s.push(buffer.length > 0 ? buffer : null);
-      });
+      if (n != 0) handler();
     }
   });
   emulatedStdout.pause(); //Reduce backpressure
@@ -480,6 +479,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
             handler.stdout.pipe(res, {
               end: false
             });
+            dataHandler = function () {}; //Prevent event listener memory leaks
           }
         }
       };
@@ -512,10 +512,12 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
         }
       });
 
-      res.on("close", function() {
+      res.prependListener("close", function() {
         if(handler.stdout) handler.stdout.unpipe(res); //Prevent server crashes with write after the end
       });
 
+      res.on("error", function() {}); //Suppress response stream errors
+
       function handlerConnection() {
         handler.stdout.on("data", dataHandler);
         handler.stderr.on("data", function (data) {