From 10b8a54e6c3a926f094f8f0f28a316bcfdb9976e Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@users.noreply.github.com>
Date: Sun, 21 Feb 2016 22:01:24 -0600
Subject: [PATCH] savestate backup had delete (it's asynchronous) vs move race
 condition

---
 BizHawk.Client.EmuHawk/MainForm.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index 822bc34c6c..1d1fd69989 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -3804,6 +3804,11 @@ namespace BizHawk.Client.EmuHawk
 					backupFile.Delete();
 				}
 
+				//deletes are asynchronous, need to wait for it to be gone
+				//TODO - make a common utility method to replace a backup including this whole process
+				while (backupFile.Exists)
+					Thread.Sleep(10);
+
 				File.Move(path, backup);
 			}