From 67cbdc3a6a43a8fa75d1034847abc2fdc3213c6f Mon Sep 17 00:00:00 2001
From: Mary <mary@mary.zone>
Date: Thu, 1 Sep 2022 20:12:10 +0200
Subject: [PATCH] bsd: Fix Poll(0) returning ETIMEDOUT instead of SUCCESS

This was an oversight of the implementation.
---
 Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs b/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs
index 4e1bb12f6..e056e3315 100644
--- a/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs
+++ b/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs
@@ -336,6 +336,12 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
                 context.Memory.Write(outputBufferPosition + (ulong)(i * Unsafe.SizeOf<PollEventData>()), events[i].Data);
             }
 
+            // In case of non blocking call timeout should not be returned.
+            if (timeout == 0 && errno == LinuxError.ETIMEDOUT)
+            {
+                errno = LinuxError.SUCCESS;
+            }
+
             return WriteBsdResult(context, updateCount, errno);
         }