From 00ce9eea620652b97b4d3e8cd9218c6fccff8b1c Mon Sep 17 00:00:00 2001
From: Mary <me@thog.eu>
Date: Tue, 29 Jun 2021 19:37:13 +0200
Subject: Fix disposing of IPC sessions server at emulation stop (#2334)

---
 Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs    |  7 ++++++-
 Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs | 10 +++++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'Ryujinx.Audio/Renderer/Server')

diff --git a/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs b/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs
index 943a2d78..6aed3c5d 100644
--- a/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs
+++ b/Ryujinx.Audio/Renderer/Server/AudioRenderSystem.cs
@@ -94,6 +94,8 @@ namespace Ryujinx.Audio.Renderer.Server
 
         private AudioRendererManager _manager;
 
+        private int _disposeState;
+
         public AudioRenderSystem(AudioRendererManager manager, IWritableEvent systemEvent)
         {
             _manager            = manager;
@@ -811,7 +813,10 @@ namespace Ryujinx.Audio.Renderer.Server
 
         public void Dispose()
         {
-            Dispose(true);
+            if (Interlocked.CompareExchange(ref _disposeState, 1, 0) == 0)
+            {
+                Dispose(true);
+            }
         }
 
         protected virtual void Dispose(bool disposing)
diff --git a/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs b/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs
index 004ac656..71d0f318 100644
--- a/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs
+++ b/Ryujinx.Audio/Renderer/Server/AudioRendererManager.cs
@@ -82,6 +82,11 @@ namespace Ryujinx.Audio.Renderer.Server
         /// </summary>
         public AudioProcessor Processor { get; }
 
+        /// <summary>
+        /// The dispose state.
+        /// </summary>
+        private int _disposeState;
+
         /// <summary>
         /// Create a new <see cref="AudioRendererManager"/>.
         /// </summary>
@@ -313,7 +318,10 @@ namespace Ryujinx.Audio.Renderer.Server
 
         public void Dispose()
         {
-            Dispose(true);
+            if (Interlocked.CompareExchange(ref _disposeState, 1, 0) == 0)
+            {
+                Dispose(true);
+            }
         }
 
         protected virtual void Dispose(bool disposing)
-- 
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