From 9e2fc7f4ddba14b1e7123d1654b385b21c71c744 Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Tue, 28 Oct 2025 22:45:21 -0500
Subject: Common/IOFile: Remove the `Duplicate` function. The duplicate handles
 shared a read/write position making them effectively not thread-safe.

---
 Source/Core/Common/IOFile.cpp | 9 ---------
 1 file changed, 9 deletions(-)

(limited to 'Source/Core/Common/IOFile.cpp')

diff --git a/Source/Core/Common/IOFile.cpp b/Source/Core/Common/IOFile.cpp
index cc22979bbe..cf7762ea68 100644
--- a/Source/Core/Common/IOFile.cpp
+++ b/Source/Core/Common/IOFile.cpp
@@ -101,15 +101,6 @@ bool IOFile::Close()
   return m_good;
 }
 
-IOFile IOFile::Duplicate(const char openmode[]) const
-{
-#ifdef _WIN32
-  return IOFile(_fdopen(_dup(_fileno(m_file)), openmode));
-#else   // _WIN32
-  return IOFile(fdopen(dup(fileno(m_file)), openmode));
-#endif  // _WIN32
-}
-
 void IOFile::SetHandle(std::FILE* file)
 {
   Close();
-- 
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