From 92f7fa5a1ac5c16f3f40e16de995f366e1ebfd76 Mon Sep 17 00:00:00 2001
From: dilluti0n <hskim@dilluti0n.com>
Date: Mon, 13 Jul 2026 23:47:07 +0900
Subject: [PATCH] Relax shutdown() receiver to &self

Unblocking WinDivertRecv() from another thread is in fact the whole
purpose of WinDivertShutdown(), but &mut self made that impossible on
a shared (Arc) handle. It only reads self.handle and doesn't
invalidate it, so &self is sound.
---
 windivert/src/divert/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/windivert/src/divert/mod.rs b/windivert/src/divert/mod.rs
index 66e65a9..86b6cd3 100644
--- a/windivert/src/divert/mod.rs
+++ b/windivert/src/divert/mod.rs
@@ -104,7 +104,7 @@ impl<L: layer::WinDivertLayerTrait> WinDivert<L> {
     }
 
     /// Shutdown function.
-    pub fn shutdown(&mut self, mode: WinDivertShutdownMode) -> WinResult<()> {
+    pub fn shutdown(&self, mode: WinDivertShutdownMode) -> WinResult<()> {
         let res = unsafe { sys::WinDivertShutdown(self.handle, mode) };
         if !res.as_bool() {
             return Err(WinError::from(unsafe { GetLastError() }));