stream: use `errorEmitted` from `_writableState`

lib/_stream_writable.js

@@ -117,7 +117,7 @@ function WritableState(options, stream) {
   this.prefinished = false;
 
   // Internal, used in net.js and _tls_wrap.js
-  this._errorEmitted = false;
+  this.errorEmitted = false;
 }
 
 function Writable(options) {
@@ -274,8 +274,8 @@ function onwriteError(stream, state, sync, er, cb) {
     cb(er);
   }
 
+  stream._writableState.errorEmitted = true;
   stream.emit('error', er);
-  stream._errorEmitted = true;
 }
 
 function onwriteStateUpdate(state) {

lib/_tls_wrap.js

@@ -238,9 +238,9 @@ TLSSocket.prototype._init = function(socket) {
   }
 
   this.ssl.onerror = function(err) {
-    if (self._errorEmitted)
+    if (self._writableState.errorEmitted)
       return;
-    self._errorEmitted = true;
+    self._writableState.errorEmitted = true;
 
     // Destroy socket if error happened before handshake's finish
     if (!this._secureEstablished) {

lib/net.js

@@ -428,11 +428,11 @@ Socket.prototype._destroy = function(exception, cb) {
 
   function fireErrorCallbacks() {
     if (cb) cb(exception);
-    if (exception && !self._errorEmitted) {
+    if (exception && !self._writableState.errorEmitted) {
       process.nextTick(function() {
         self.emit('error', exception);
       });
-      self._errorEmitted = true;
+      self._writableState.errorEmitted = true;
     }
   };