From 85f9842aab1720168883a1c36ad0f11b35832123 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Wed, 16 Aug 2017 16:06:36 +0000
Subject: [PATCH] [KERNEL32] Support PAGE_EXECUTE_WRITECOPY in
 CreateFileMappingW if OsMajorVersion is 6+.

svn path=/trunk/; revision=75574
---
 reactos/dll/win32/kernel32/client/file/filemap.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/reactos/dll/win32/kernel32/client/file/filemap.c b/reactos/dll/win32/kernel32/client/file/filemap.c
index 7a543ac3dc6..0a5bd39ab3d 100644
--- a/reactos/dll/win32/kernel32/client/file/filemap.c
+++ b/reactos/dll/win32/kernel32/client/file/filemap.c
@@ -85,6 +85,12 @@ CreateFileMappingW(HANDLE hFile,
         /* Give it */
         DesiredAccess |= SECTION_MAP_EXECUTE;
     }
+    else if ((flProtect == PAGE_EXECUTE_WRITECOPY) &&
+             (NtCurrentPeb()->OSMajorVersion >= 6))
+    {
+        /* Give it */
+        DesiredAccess |= (SECTION_MAP_WRITE | SECTION_MAP_EXECUTE);
+    }
     else if ((flProtect != PAGE_READONLY) && (flProtect != PAGE_WRITECOPY))
     {
         SetLastError(ERROR_INVALID_PARAMETER);