From d127c28e83110a28eb8b26144f9986e480ef1b45 Mon Sep 17 00:00:00 2001
From: Leo Yuriev <leo@yuriev.ru>
Date: Thu, 12 Apr 2018 00:56:38 +0300
Subject: [PATCH] mdbx-windows: fix srw-release if rdt-lock failed
 (minor/paranoia).

---
 src/lck-windows.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lck-windows.c b/src/lck-windows.c
index 683ea056..67e989ae 100644
--- a/src/lck-windows.c
+++ b/src/lck-windows.c
@@ -162,7 +162,10 @@ int mdbx_rdt_lock(MDBX_env *env) {
   /* transite from S-? (used) to S-E (locked), e.g. exclusive lock upper-part */
   if (flock(env->me_lfd, LCK_EXCLUSIVE | LCK_WAITFOR, LCK_UPPER))
     return MDBX_SUCCESS;
-  return GetLastError();
+
+  int rc = GetLastError();
+  ReleaseSRWLockShared(&env->me_remap_guard);
+  return rc;
 }
 
 void mdbx_rdt_unlock(MDBX_env *env) {