From c488baec3c432b8859441445efe0f0a77662730c Mon Sep 17 00:00:00 2001
From: Roman Gershman <romange@gmail.com>
Date: Mon, 30 May 2022 14:53:23 +0300
Subject: [PATCH] Add a DCHECK to catch a bug

---
 src/server/snapshot.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/server/snapshot.cc b/src/server/snapshot.cc
index a3e9ab3..4d5bb5d 100644
--- a/src/server/snapshot.cc
+++ b/src/server/snapshot.cc
@@ -75,6 +75,8 @@ void SliceSnapshot::SerializeSingleEntry(DbIndex db_indx, const PrimeKey& pk,
     CHECK(!ec && !sfile_->val.empty());
     string tmp = std::move(sfile_->val);
     channel_bytes_ += tmp.size();
+    DCHECK(!dest_->IsClosing());
+
     dest_->Push(DbRecord{db_indx, std::move(tmp)});
   }
 }