From 1e4083027f980ebfda0a3796d8da45d9334016eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Bernon?= <rbernon@codeweavers.com>
Date: Fri, 21 Feb 2020 16:56:09 +0100
Subject: [PATCH] steam.exe: Create Steam for Windows named event.

This event is sometimes checked for existence by Denuvo DRM, to decide
whether the game is genuine. This the case in Just Cause 3, and not
having it makes the game delete all saved progress.
---
 steam_helper/steam.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/steam_helper/steam.cpp b/steam_helper/steam.cpp
index 7fd29a36..8e5b9777 100644
--- a/steam_helper/steam.cpp
+++ b/steam_helper/steam.cpp
@@ -261,12 +261,15 @@ run:
 int main(int argc, char *argv[])
 {
     HANDLE wait_handle = INVALID_HANDLE_VALUE;
+    HANDLE event = INVALID_HANDLE_VALUE;
 
     WINE_TRACE("\n");
 
     if (getenv("SteamGameId"))
     {
         /* do setup only for game process */
+        event = CreateEventA(NULL, FALSE, FALSE, "Steam3Master_SharedMemLock");
+
         CreateThread(NULL, 0, create_steam_window, NULL, 0, NULL);
 
         set_active_process_pid();
@@ -292,5 +295,8 @@ int main(int argc, char *argv[])
 
     WaitForSingleObject(wait_handle, INFINITE);
 
+    if (event != INVALID_HANDLE_VALUE)
+        CloseHandle(event);
+
     return 0;
 }