From 76099d951c4e620c3df45df5e28e148aea968daf Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Fri, 13 Dec 2019 16:17:31 +0300
Subject: [PATCH] mdbx-windows: interpret ERROR_ACCESS_DENIED from
 OpenProcess() as 'process exists'.

Change-Id: I22e3e3d3d72531e76848793f1e3522d0c1767618
---
 src/elements/lck-windows.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/elements/lck-windows.c b/src/elements/lck-windows.c
index 5d74bb8c..282f67d9 100644
--- a/src/elements/lck-windows.c
+++ b/src/elements/lck-windows.c
@@ -613,6 +613,10 @@ MDBX_INTERNAL_FUNC int mdbx_rpid_check(MDBX_env *env, uint32_t pid) {
   case WAIT_OBJECT_0:
     /* process just exited */
     return MDBX_RESULT_FALSE;
+  case ERROR_ACCESS_DENIED:
+    /* The ERROR_ACCESS_DENIED would be returned for CSRSS-processes, etc.
+     * assume pid exists */
+    return MDBX_RESULT_TRUE;
   case WAIT_TIMEOUT:
     /* pid running */
     return MDBX_RESULT_TRUE;