From dfea68270aa6354ee0028fe9a414421d1e163643 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Thu, 19 Jul 2018 08:48:50 +0300
Subject: [PATCH] mdbx: fix assertion inside
 mdbx_suspend_threads_before_remap().

Change-Id: If01fc5f655922c55b3955f2b00c93b80328c5232
---
 src/lck-windows.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lck-windows.c b/src/lck-windows.c
index ab3fae57..327979e6 100644
--- a/src/lck-windows.c
+++ b/src/lck-windows.c
@@ -253,7 +253,8 @@ int mdbx_suspend_threads_before_remap(MDBX_env *env,
   } else {
     /* Without LCK (i.e. read-only mode).
      * Walk thougth a snapshot of all running threads */
-    mdbx_assert(env, env->me_txn0 == NULL);
+    mdbx_assert(env,
+                env->me_txn0 == NULL || (env->me_flags & MDBX_EXCLUSIVE) != 0);
     const HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
     if (hSnapshot == INVALID_HANDLE_VALUE)
       return GetLastError();