From d6c53ed634885742ba1dde0387da83aabd8193fd Mon Sep 17 00:00:00 2001
From: Dusk-92 <romain.thomas92@proton.me>
Date: Sat, 29 Aug 2026 11:46:58 +0200
Subject: [PATCH] V37.1 ExitFix: skip heavy cleanup during process termination

---
 src/main.zig | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main.zig b/src/main.zig
index f126d22..5e455cd 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -1048,11 +1048,17 @@ comptime {
 pub export fn DllMain(
     _: ?*anyopaque,
     reason: u32,
-    _: ?*anyopaque,
+    reserved: ?*anyopaque,
 ) callconv(WINAPI) std.os.windows.BOOL {
     switch (reason) {
         1 => install(),
-        0 => uninstall(),
+        0 => {
+            // ExitFix: when lpReserved is non-null, Windows is terminating the
+            // whole process. Do not call into D3D9/COM or other DLLs from
+            // DLL_PROCESS_DETACH during global teardown; the OS will reclaim
+            // those resources. Keep full uninstall for explicit FreeLibrary.
+            if (reserved == null) uninstall();
+        },
         else => {},
     }
     return @enumFromInt(1);