From be34a7ad38b649dfb650f469b2a3453a58c25ef8 Mon Sep 17 00:00:00 2001
From: Anna Clemens <git@annaclemens.io>
Date: Fri, 2 Sep 2022 18:21:34 -0400
Subject: [PATCH] refactor: replace Mutex with SemaphoreSlim

Mutex uses system mutexes and SemaphoreSlim does not.
---
 ChatTwo/Configuration.cs | 10 +++++-----
 ChatTwo/Ui/ChatLog.cs    |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/ChatTwo/Configuration.cs b/ChatTwo/Configuration.cs
index 045237c..3228cb9 100755
--- a/ChatTwo/Configuration.cs
+++ b/ChatTwo/Configuration.cs
@@ -176,7 +176,7 @@ internal class Tab {
     public uint Unread;
 
     [NonSerialized]
-    public Mutex MessagesMutex = new();
+    public SemaphoreSlim MessagesMutex = new(1, 1);
 
     [NonSerialized]
     public List<Message> Messages = new();
@@ -195,13 +195,13 @@ internal class Tab {
     }
 
     internal void AddMessage(Message message, bool unread = true) {
-        this.MessagesMutex.WaitOne();
+        this.MessagesMutex.Wait();
         this.Messages.Add(message);
         while (this.Messages.Count > Store.MessagesLimit) {
             this.Messages.RemoveAt(0);
         }
 
-        this.MessagesMutex.ReleaseMutex();
+        this.MessagesMutex.Release();
 
         if (unread) {
             this.Unread += 1;
@@ -209,9 +209,9 @@ internal class Tab {
     }
 
     internal void Clear() {
-        this.MessagesMutex.WaitOne();
+        this.MessagesMutex.Wait();
         this.Messages.Clear();
-        this.MessagesMutex.ReleaseMutex();
+        this.MessagesMutex.Release();
     }
 
     internal Tab Clone() {
diff --git a/ChatTwo/Ui/ChatLog.cs b/ChatTwo/Ui/ChatLog.cs
index acb64ef..54a3425 100755
--- a/ChatTwo/Ui/ChatLog.cs
+++ b/ChatTwo/Ui/ChatLog.cs
@@ -707,7 +707,7 @@ internal sealed class ChatLog : IUiComponent {
             }
 
             try {
-                tab.MessagesMutex.WaitOne();
+                tab.MessagesMutex.Wait();
 
                 var reset = false;
                 if (this._lastResize.IsRunning && this._lastResize.Elapsed.TotalSeconds > 0.25) {
@@ -841,7 +841,7 @@ internal sealed class ChatLog : IUiComponent {
                     lastPos = ImGui.GetCursorPosY();
                 }
             } finally {
-                tab.MessagesMutex.ReleaseMutex();
+                tab.MessagesMutex.Release();
                 ImGui.PopStyleVar(this.Ui.Plugin.Config.PrettierTimestamps && this.Ui.Plugin.Config.MoreCompactPretty ? 2 : 1);
             }