From cbe92390c14f0fffdb7e86a3d866887ff12242e2 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Wed, 10 Jan 2018 20:39:05 +0100
Subject: [PATCH] src: use `DoTryWrite()` for not-all-Buffer writev()s too

PR-URL: https://github.com/nodejs/node/pull/18019
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 src/stream_base.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/stream_base.cc b/src/stream_base.cc
index 225103cc8d727a..6807c6a32ee135 100644
--- a/src/stream_base.cc
+++ b/src/stream_base.cc
@@ -192,6 +192,13 @@ int StreamBase::Writev(const FunctionCallbackInfo<Value>& args) {
       offset += str_size;
       bytes += str_size;
     }
+
+    err = DoTryWrite(&buf_list, &count);
+    if (err != 0 || count == 0) {
+      req_wrap->Dispatched();
+      req_wrap->Dispose();
+      goto done;
+    }
   }
 
   err = DoWrite(req_wrap, buf_list, count, nullptr);