From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 27 Dec 2025 12:03:39 -0800
Subject: Initial commit

---
 contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c | 81 +++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c

(limited to 'contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c')

diff --git a/contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c b/contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c
new file mode 100644
index 0000000..354016a
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/thread/windows/SDL_systls.c
@@ -0,0 +1,81 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#ifdef SDL_THREAD_WINDOWS
+
+#include "../../core/windows/SDL_windows.h"
+
+#include "../SDL_thread_c.h"
+
+static DWORD thread_local_storage = TLS_OUT_OF_INDEXES;
+static bool generic_local_storage = false;
+
+void SDL_SYS_InitTLSData(void)
+{
+    if (thread_local_storage == TLS_OUT_OF_INDEXES && !generic_local_storage) {
+        thread_local_storage = TlsAlloc();
+        if (thread_local_storage == TLS_OUT_OF_INDEXES) {
+            SDL_Generic_InitTLSData();
+            generic_local_storage = true;
+        }
+    }
+}
+
+SDL_TLSData *SDL_SYS_GetTLSData(void)
+{
+    if (generic_local_storage) {
+        return SDL_Generic_GetTLSData();
+    }
+
+    if (thread_local_storage != TLS_OUT_OF_INDEXES) {
+        return (SDL_TLSData *)TlsGetValue(thread_local_storage);
+    }
+    return NULL;
+}
+
+bool SDL_SYS_SetTLSData(SDL_TLSData *data)
+{
+    if (generic_local_storage) {
+        return SDL_Generic_SetTLSData(data);
+    }
+
+    if (!TlsSetValue(thread_local_storage, data)) {
+        return WIN_SetError("TlsSetValue()");
+    }
+    return true;
+}
+
+void SDL_SYS_QuitTLSData(void)
+{
+    if (generic_local_storage) {
+        SDL_Generic_QuitTLSData();
+        generic_local_storage = false;
+    } else {
+        if (thread_local_storage != TLS_OUT_OF_INDEXES) {
+            TlsFree(thread_local_storage);
+            thread_local_storage = TLS_OUT_OF_INDEXES;
+        }
+    }
+}
+
+#endif // SDL_THREAD_WINDOWS
-- 
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