worker: use _writev in internal communication

PR-URL: https://github.com/nodejs/node/pull/33454
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/internal/worker/io.js b/lib/internal/worker/io.js
index 1167198676b..0a97f17595f 100644
--- a/lib/internal/worker/io.js
+++ b/lib/internal/worker/io.js
@@ -206,12 +206,11 @@ class WritableWorkerStdio extends Writable {
     this[kWritableCallbacks] = [];
   }
 
-  _write(chunk, encoding, cb) {
+  _writev(chunks, cb) {
     this[kPort].postMessage({
       type: messageTypes.STDIO_PAYLOAD,
       stream: this[kName],
-      chunk,
-      encoding
+      chunks: chunks.map(({ chunk, encoding }) => ({ chunk, encoding }))
     });
     this[kWritableCallbacks].push(cb);
     if (this[kPort][kWaitingStreams]++ === 0)
@@ -222,7 +221,7 @@ class WritableWorkerStdio extends Writable {
     this[kPort].postMessage({
       type: messageTypes.STDIO_PAYLOAD,
       stream: this[kName],
-      chunk: null
+      chunks: [ { chunk: null, encoding: '' } ]
     });
     cb();
   }