Add support for thread naming on windows platform

drivers/windows/thread_windows.cpp

@@ -0,0 +1,59 @@
+/**************************************************************************/
+/*  thread_windows.cpp                                                    */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifdef WINDOWS_ENABLED
+
+#include "thread_windows.h"
+
+#include "core/os/thread.h"
+#include "core/string/ustring.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+typedef HRESULT(WINAPI *SetThreadDescriptionPtr)(HANDLE p_thread, PCWSTR p_thread_description);
+SetThreadDescriptionPtr w10_SetThreadDescription = nullptr;
+
+static Error set_name(const String &p_name) {
+	HANDLE hThread = GetCurrentThread();
+	HRESULT res = E_FAIL;
+	if (w10_SetThreadDescription) {
+		res = w10_SetThreadDescription(hThread, (LPCWSTR)p_name.utf16().get_data());
+	}
+	return SUCCEEDED(res) ? OK : ERR_INVALID_PARAMETER;
+}
+
+void init_thread_win() {
+	w10_SetThreadDescription = (SetThreadDescriptionPtr)(void *)GetProcAddress(LoadLibraryW(L"kernel32.dll"), "SetThreadDescription");
+
+	Thread::_set_platform_functions({ set_name });
+}
+
+#endif // WINDOWS_ENABLED

drivers/windows/thread_windows.h

@@ -0,0 +1,40 @@
+/**************************************************************************/
+/*  thread_windows.h                                                      */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef THREAD_WINDOWS_H
+#define THREAD_WINDOWS_H
+
+#ifdef WINDOWS_ENABLED
+
+void init_thread_win();
+
+#endif // WINDOWS_ENABLED
+
+#endif // THREAD_WINDOWS_H

platform/windows/os_windows.cpp

@@ -45,6 +45,7 @@
 #include "drivers/windows/file_access_windows_pipe.h"
 #include "drivers/windows/ip_windows.h"
 #include "drivers/windows/net_socket_winsock.h"
+#include "drivers/windows/thread_windows.h"
 #include "main/main.h"
 #include "servers/audio_server.h"
 #include "servers/rendering/rendering_server_default.h"
@@ -249,6 +250,10 @@ void OS_Windows::initialize() {
 	add_error_handler(&error_handlers);
 #endif
 
+#ifdef THREADS_ENABLED
+	init_thread_win();
+#endif
+
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);