From 1771b1e5acacd9ec78bceddaadf18fa9df1a41f4 Mon Sep 17 00:00:00 2001
From: harryeetsource <95581121+harryeetsource@users.noreply.github.com>
Date: Wed, 5 Mar 2025 16:13:03 -0800
Subject: [PATCH] Update error.rs

---
 shadowx/src/error.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/shadowx/src/error.rs b/shadowx/src/error.rs
index 6efbea6..ce7bfa7 100644
--- a/shadowx/src/error.rs
+++ b/shadowx/src/error.rs
@@ -145,6 +145,10 @@ pub enum ShadowError {
     /// This occurs when the system fails to remove a callback that was previously registered.
     #[error("Error removing a callback")]
     RemoveFailureCallback,
+    /// Represents an error when the process's active list entry is invalid,
+    /// such as when both the forward and backward pointers are null.
+    #[error("Invalid list entry encountered")]
+    InvalidListEntry,
 
     /// Error indicating that a failure occurred while restoring a callback.
     ///