From 31fb2e22a0b0c73d494cec6e788d93c3a425d314 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna.henningsen@mongodb.com>
Date: Wed, 8 Feb 2023 21:12:07 +0100
Subject: [PATCH] src: add fflush() to SnapshotData::ToFile()
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Refs: https://github.com/nodejs/node/pull/46491#discussion_r1097610165
PR-URL: https://github.com/nodejs/node/pull/46531
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 src/node_snapshotable.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index de398ab6261d88..40971cf8fd28b3 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -866,6 +866,7 @@ void SnapshotData::ToFile(FILE* out) const {
   const std::vector<char> sink = ToBlob();
   size_t num_written = fwrite(sink.data(), sink.size(), 1, out);
   CHECK_EQ(num_written, 1);
+  CHECK_EQ(fflush(out), 0);
 }
 
 const SnapshotData* SnapshotData::FromEmbedderWrapper(