tty: handle setRawMode errors

seishun · danbev · commit a82fc30383b5 · 2018-09-19T14:05:19.000+02:00
PR-URL: #22886 Refs: #21773 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
diff --git a/lib/tty.js b/lib/tty.js
@@ -68,7 +68,11 @@ inherits(ReadStream, net.Socket);
 
 ReadStream.prototype.setRawMode = function(flag) {
   flag = !!flag;
-  this._handle.setRawMode(flag);
+  const err = this._handle.setRawMode(flag);
+  if (err) {
+    this.emit('error', errors.errnoException(err, 'setRawMode'));
+    return;
+  }
   this.isRaw = flag;
 };
 
