Merge pull request #45315 from RandomShaper/modernize_thread

Modernize Thread

25 files changed, 99 insertions, 352 deletions

diff --git a/platform/android/api/jni_singleton.h b/platform/android/api/jni_singleton.h
index 49c0104e67..965eaabf81 100644
--- a/platform/android/api/jni_singleton.h
+++ b/platform/android/api/jni_singleton.h
@@ -83,7 +83,7 @@ public:
 			v = (jvalue *)alloca(sizeof(jvalue) * p_argcount);
 		}
 
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 
 		int res = env->PushLocalFrame(16);
 
diff --git a/platform/android/audio_driver_jandroid.cpp b/platform/android/audio_driver_jandroid.cpp
index 825132ac8c..ee28959adc 100644
--- a/platform/android/audio_driver_jandroid.cpp
+++ b/platform/android/audio_driver_jandroid.cpp
@@ -72,7 +72,7 @@ Error AudioDriverAndroid::init() {
 
 	//        __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDL audio: opening device");
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	int mix_rate = GLOBAL_GET("audio/mix_rate");
 
 	int latency = GLOBAL_GET("audio/output_latency");
@@ -98,7 +98,7 @@ void AudioDriverAndroid::start() {
 }
 
 void AudioDriverAndroid::setup(jobject p_io) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	io = p_io;
 
 	jclass c = env->GetObjectClass(io);
@@ -162,7 +162,7 @@ void AudioDriverAndroid::unlock() {
 }
 
 void AudioDriverAndroid::finish() {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	env->CallVoidMethod(io, _quit);
 
 	if (audioBuffer) {
@@ -175,7 +175,7 @@ void AudioDriverAndroid::finish() {
 }
 
 void AudioDriverAndroid::set_pause(bool p_pause) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	env->CallVoidMethod(io, _pause, p_pause);
 }
 
diff --git a/platform/android/dir_access_jandroid.cpp b/platform/android/dir_access_jandroid.cpp
index 78685991a8..f8ac29c738 100644
--- a/platform/android/dir_access_jandroid.cpp
+++ b/platform/android/dir_access_jandroid.cpp
@@ -47,7 +47,7 @@ DirAccess *DirAccessJAndroid::create_fs() {
 
 Error DirAccessJAndroid::list_dir_begin() {
 	list_dir_end();
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	jstring js = env->NewStringUTF(current_dir.utf8().get_data());
 	int res = env->CallIntMethod(io, _dir_open, js);
@@ -62,7 +62,7 @@ Error DirAccessJAndroid::list_dir_begin() {
 String DirAccessJAndroid::get_next() {
 	ERR_FAIL_COND_V(id == 0, "");
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	jstring str = (jstring)env->CallObjectMethod(io, _dir_next, id);
 	if (!str)
 		return "";
@@ -73,7 +73,7 @@ String DirAccessJAndroid::get_next() {
 }
 
 bool DirAccessJAndroid::current_is_dir() const {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	return env->CallBooleanMethod(io, _dir_is_dir, id);
 }
@@ -86,7 +86,7 @@ void DirAccessJAndroid::list_dir_end() {
 	if (id == 0)
 		return;
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	env->CallVoidMethod(io, _dir_close, id);
 	id = 0;
 }
@@ -100,7 +100,7 @@ String DirAccessJAndroid::get_drive(int p_drive) {
 }
 
 Error DirAccessJAndroid::change_dir(String p_dir) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	if (p_dir == "" || p_dir == "." || (p_dir == ".." && current_dir == ""))
 		return OK;
@@ -154,7 +154,7 @@ bool DirAccessJAndroid::file_exists(String p_file) {
 }
 
 bool DirAccessJAndroid::dir_exists(String p_dir) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	String sd;
 
@@ -207,7 +207,7 @@ size_t DirAccessJAndroid::get_space_left() {
 }
 
 void DirAccessJAndroid::setup(jobject p_io) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	io = p_io;
 
 	jclass c = env->GetObjectClass(io);
diff --git a/platform/android/export/export.cpp b/platform/android/export/export.cpp
index 62720e8249..a963c5a741 100644
--- a/platform/android/export/export.cpp
+++ b/platform/android/export/export.cpp
@@ -269,7 +269,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
 	Vector<Device> devices;
 	volatile bool devices_changed;
 	Mutex device_lock;
-	Thread *check_for_changes_thread;
+	Thread check_for_changes_thread;
 	volatile bool quit_request;
 
 	static void _check_for_changes_poll_thread(void *ud) {
@@ -2848,13 +2848,12 @@ public:
 		devices_changed = true;
 		plugins_changed = true;
 		quit_request = false;
-		check_for_changes_thread = Thread::create(_check_for_changes_poll_thread, this);
+		check_for_changes_thread.start(_check_for_changes_poll_thread, this);
 	}
 
 	~EditorExportPlatformAndroid() {
 		quit_request = true;
-		Thread::wait_to_finish(check_for_changes_thread);
-		memdelete(check_for_changes_thread);
+		check_for_changes_thread.wait_to_finish();
 	}
 };
 
diff --git a/platform/android/java_class_wrapper.cpp b/platform/android/java_class_wrapper.cpp
index 2b5ca530da..ab03599dc3 100644
--- a/platform/android/java_class_wrapper.cpp
+++ b/platform/android/java_class_wrapper.cpp
@@ -37,7 +37,7 @@ bool JavaClass::_call_method(JavaObject *p_instance, const StringName &p_method,
 	if (!M)
 		return false;
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	MethodInfo *method = nullptr;
 	for (List<MethodInfo>::Element *E = M->get().front(); E; E = E->next()) {
@@ -964,7 +964,7 @@ Ref<JavaClass> JavaClassWrapper::wrap(const String &p_class) {
 	if (class_cache.has(p_class))
 		return class_cache[p_class];
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	jclass bclass = env->FindClass(p_class.utf8().get_data());
 	ERR_FAIL_COND_V(!bclass, Ref<JavaClass>());
@@ -1148,7 +1148,7 @@ JavaClassWrapper *JavaClassWrapper::singleton = nullptr;
 JavaClassWrapper::JavaClassWrapper(jobject p_activity) {
 	singleton = this;
 
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	jclass activityClass = env->FindClass("android/app/Activity");
 	jmethodID getClassLoader = env->GetMethodID(activityClass, "getClassLoader", "()Ljava/lang/ClassLoader;");
diff --git a/platform/android/java_godot_io_wrapper.cpp b/platform/android/java_godot_io_wrapper.cpp
index 8f8275826d..4ee4427aa0 100644
--- a/platform/android/java_godot_io_wrapper.cpp
+++ b/platform/android/java_godot_io_wrapper.cpp
@@ -34,7 +34,7 @@
 // JNIEnv is only valid within the thread it belongs to, in a multi threading environment
 // we can't cache it.
 // For GodotIO we call all access methods from our thread and we thus get a valid JNIEnv
-// from ThreadAndroid.
+// from get_jni_env().
 
 GodotIOJavaWrapper::GodotIOJavaWrapper(JNIEnv *p_env, jobject p_godot_io_instance) {
 	godot_io_instance = p_env->NewGlobalRef(p_godot_io_instance);
@@ -72,7 +72,7 @@ jobject GodotIOJavaWrapper::get_instance() {
 
 Error GodotIOJavaWrapper::open_uri(const String &p_uri) {
 	if (_open_URI) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring jStr = env->NewStringUTF(p_uri.utf8().get_data());
 		return env->CallIntMethod(godot_io_instance, _open_URI, jStr) ? ERR_CANT_OPEN : OK;
 	} else {
@@ -82,7 +82,7 @@ Error GodotIOJavaWrapper::open_uri(const String &p_uri) {
 
 String GodotIOJavaWrapper::get_user_data_dir() {
 	if (_get_data_dir) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_data_dir);
 		return jstring_to_string(s, env);
 	} else {
@@ -92,7 +92,7 @@ String GodotIOJavaWrapper::get_user_data_dir() {
 
 String GodotIOJavaWrapper::get_locale() {
 	if (_get_locale) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_locale);
 		return jstring_to_string(s, env);
 	} else {
@@ -102,7 +102,7 @@ String GodotIOJavaWrapper::get_locale() {
 
 String GodotIOJavaWrapper::get_model() {
 	if (_get_model) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_model);
 		return jstring_to_string(s, env);
 	} else {
@@ -112,7 +112,7 @@ String GodotIOJavaWrapper::get_model() {
 
 int GodotIOJavaWrapper::get_screen_dpi() {
 	if (_get_screen_DPI) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallIntMethod(godot_io_instance, _get_screen_DPI);
 	} else {
 		return 160;
@@ -121,7 +121,7 @@ int GodotIOJavaWrapper::get_screen_dpi() {
 
 void GodotIOJavaWrapper::screen_get_usable_rect(int (&p_rect_xywh)[4]) {
 	if (_screen_get_usable_rect) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jintArray returnArray = (jintArray)env->CallObjectMethod(godot_io_instance, _screen_get_usable_rect);
 		ERR_FAIL_COND(env->GetArrayLength(returnArray) != 4);
 		jint *arrayBody = env->GetIntArrayElements(returnArray, JNI_FALSE);
@@ -134,7 +134,7 @@ void GodotIOJavaWrapper::screen_get_usable_rect(int (&p_rect_xywh)[4]) {
 
 String GodotIOJavaWrapper::get_unique_id() {
 	if (_get_unique_id) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_unique_id);
 		return jstring_to_string(s, env);
 	} else {
@@ -148,7 +148,7 @@ bool GodotIOJavaWrapper::has_vk() {
 
 void GodotIOJavaWrapper::show_vk(const String &p_existing, bool p_multiline, int p_max_input_length, int p_cursor_start, int p_cursor_end) {
 	if (_show_keyboard) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring jStr = env->NewStringUTF(p_existing.utf8().get_data());
 		env->CallVoidMethod(godot_io_instance, _show_keyboard, jStr, p_multiline, p_max_input_length, p_cursor_start, p_cursor_end);
 	}
@@ -156,21 +156,21 @@ void GodotIOJavaWrapper::show_vk(const String &p_existing, bool p_multiline, int
 
 void GodotIOJavaWrapper::hide_vk() {
 	if (_hide_keyboard) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(godot_io_instance, _hide_keyboard);
 	}
 }
 
 void GodotIOJavaWrapper::set_screen_orientation(int p_orient) {
 	if (_set_screen_orientation) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(godot_io_instance, _set_screen_orientation, p_orient);
 	}
 }
 
 int GodotIOJavaWrapper::get_screen_orientation() {
 	if (_get_screen_orientation) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallIntMethod(godot_io_instance, _get_screen_orientation);
 	} else {
 		return 0;
@@ -179,7 +179,7 @@ int GodotIOJavaWrapper::get_screen_orientation() {
 
 String GodotIOJavaWrapper::get_system_dir(int p_dir) {
 	if (_get_system_dir) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_system_dir, p_dir);
 		return jstring_to_string(s, env);
 	} else {
diff --git a/platform/android/java_godot_lib_jni.cpp b/platform/android/java_godot_lib_jni.cpp
index e3a4ce63ef..bb22162879 100644
--- a/platform/android/java_godot_lib_jni.cpp
+++ b/platform/android/java_godot_lib_jni.cpp
@@ -87,7 +87,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *en
 	godot_java = new GodotJavaWrapper(env, activity, godot_instance);
 	godot_io_java = new GodotIOJavaWrapper(env, godot_java->get_member_object("io", "Lorg/godotengine/godot/GodotIO;", env));
 
-	ThreadAndroid::make_default(jvm);
+	init_thread_jandroid(jvm, env);
 
 	jobject amgr = env->NewGlobalRef(p_asset_manager);
 
@@ -119,7 +119,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jclass clazz, jobjectArray p_cmdline) {
-	ThreadAndroid::setup_thread();
+	setup_android_thread();
 
 	const char **cmdline = nullptr;
 	jstring *j_cmdline = nullptr;
@@ -206,7 +206,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jcl
 		return;
 
 	if (step == 0) {
-		// Since Godot is initialized on the UI thread, _main_thread_id was set to that thread's id,
+		// Since Godot is initialized on the UI thread, main_thread_id was set to that thread's id,
 		// but for Godot purposes, the main thread is the one running the game loop
 		Main::setup2(Thread::get_caller_id());
 		++step;
@@ -382,7 +382,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusout(JNIEnv *env,
 }
 
 JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_audio(JNIEnv *env, jclass clazz) {
-	ThreadAndroid::setup_thread();
+	setup_android_thread();
 	AudioDriverAndroid::thread_func(env);
 }
 
diff --git a/platform/android/java_godot_view_wrapper.cpp b/platform/android/java_godot_view_wrapper.cpp
index cb26c7b8c5..5b638300ef 100644
--- a/platform/android/java_godot_view_wrapper.cpp
+++ b/platform/android/java_godot_view_wrapper.cpp
@@ -33,7 +33,7 @@
 #include "thread_jandroid.h"
 
 GodotJavaViewWrapper::GodotJavaViewWrapper(jobject godot_view) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	_godot_view = env->NewGlobalRef(godot_view);
 
@@ -47,20 +47,20 @@ GodotJavaViewWrapper::GodotJavaViewWrapper(jobject godot_view) {
 
 void GodotJavaViewWrapper::request_pointer_capture() {
 	if (_request_pointer_capture != 0) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(_godot_view, _request_pointer_capture);
 	}
 }
 
 void GodotJavaViewWrapper::release_pointer_capture() {
 	if (_request_pointer_capture != 0) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(_godot_view, _release_pointer_capture);
 	}
 }
 
 GodotJavaViewWrapper::~GodotJavaViewWrapper() {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	env->DeleteGlobalRef(_godot_view);
 	env->DeleteGlobalRef(_cls);
 }
diff --git a/platform/android/java_godot_wrapper.cpp b/platform/android/java_godot_wrapper.cpp
index c4e7f272d3..759980373a 100644
--- a/platform/android/java_godot_wrapper.cpp
+++ b/platform/android/java_godot_wrapper.cpp
@@ -33,7 +33,7 @@
 // JNIEnv is only valid within the thread it belongs to, in a multi threading environment
 // we can't cache it.
 // For Godot we call most access methods from our thread and we thus get a valid JNIEnv
-// from ThreadAndroid. For one or two we expect to pass the environment
+// from get_jni_env(). For one or two we expect to pass the environment
 
 // TODO we could probably create a base class for this...
 
@@ -91,7 +91,7 @@ jobject GodotJavaWrapper::get_activity() {
 jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env) {
 	if (godot_class) {
 		if (p_env == nullptr)
-			p_env = ThreadAndroid::get_env();
+			p_env = get_jni_env();
 
 		jfieldID fid = p_env->GetStaticFieldID(godot_class, p_name, p_class);
 		return p_env->GetStaticObjectField(godot_class, fid);
@@ -102,7 +102,7 @@ jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_cl
 
 jobject GodotJavaWrapper::get_class_loader() {
 	if (_get_class_loader) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallObjectMethod(activity, _get_class_loader);
 	} else {
 		return nullptr;
@@ -113,7 +113,7 @@ GodotJavaViewWrapper *GodotJavaWrapper::get_godot_view() {
 	if (_godot_view != nullptr) {
 		return _godot_view;
 	}
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	jmethodID godot_view_getter = env->GetMethodID(godot_class, "getRenderView", "()Lorg/godotengine/godot/GodotRenderView;");
 	_godot_view = new GodotJavaViewWrapper(env->CallObjectMethod(godot_instance, godot_view_getter));
 	return _godot_view;
@@ -122,7 +122,7 @@ GodotJavaViewWrapper *GodotJavaWrapper::get_godot_view() {
 void GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
 	if (_on_video_init)
 		if (p_env == nullptr)
-			p_env = ThreadAndroid::get_env();
+			p_env = get_jni_env();
 
 	p_env->CallVoidMethod(godot_instance, _on_video_init);
 }
@@ -130,7 +130,7 @@ void GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
 void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) {
 	if (_on_godot_main_loop_started) {
 		if (p_env == nullptr) {
-			p_env = ThreadAndroid::get_env();
+			p_env = get_jni_env();
 		}
 	}
 	p_env->CallVoidMethod(godot_instance, _on_godot_main_loop_started);
@@ -139,7 +139,7 @@ void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) {
 void GodotJavaWrapper::restart(JNIEnv *p_env) {
 	if (_restart)
 		if (p_env == nullptr)
-			p_env = ThreadAndroid::get_env();
+			p_env = get_jni_env();
 
 	p_env->CallVoidMethod(godot_instance, _restart);
 }
@@ -147,21 +147,21 @@ void GodotJavaWrapper::restart(JNIEnv *p_env) {
 void GodotJavaWrapper::force_quit(JNIEnv *p_env) {
 	if (_finish)
 		if (p_env == nullptr)
-			p_env = ThreadAndroid::get_env();
+			p_env = get_jni_env();
 
 	p_env->CallVoidMethod(godot_instance, _finish);
 }
 
 void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) {
 	if (_set_keep_screen_on) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled);
 	}
 }
 
 void GodotJavaWrapper::alert(const String &p_message, const String &p_title) {
 	if (_alert) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data());
 		jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data());
 		env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle);
@@ -169,7 +169,7 @@ void GodotJavaWrapper::alert(const String &p_message, const String &p_title) {
 }
 
 int GodotJavaWrapper::get_gles_version_code() {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 	if (_get_GLES_version_code) {
 		return env->CallIntMethod(godot_instance, _get_GLES_version_code);
 	}
@@ -183,7 +183,7 @@ bool GodotJavaWrapper::has_get_clipboard() {
 
 String GodotJavaWrapper::get_clipboard() {
 	if (_get_clipboard) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard);
 		return jstring_to_string(s, env);
 	} else {
@@ -193,7 +193,7 @@ String GodotJavaWrapper::get_clipboard() {
 
 String GodotJavaWrapper::get_input_fallback_mapping() {
 	if (_get_input_fallback_mapping) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring fallback_mapping = (jstring)env->CallObjectMethod(godot_instance, _get_input_fallback_mapping);
 		return jstring_to_string(fallback_mapping, env);
 	} else {
@@ -207,7 +207,7 @@ bool GodotJavaWrapper::has_set_clipboard() {
 
 void GodotJavaWrapper::set_clipboard(const String &p_text) {
 	if (_set_clipboard) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring jStr = env->NewStringUTF(p_text.utf8().get_data());
 		env->CallVoidMethod(godot_instance, _set_clipboard, jStr);
 	}
@@ -215,7 +215,7 @@ void GodotJavaWrapper::set_clipboard(const String &p_text) {
 
 bool GodotJavaWrapper::request_permission(const String &p_name) {
 	if (_request_permission) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jstring jStrName = env->NewStringUTF(p_name.utf8().get_data());
 		return env->CallBooleanMethod(godot_instance, _request_permission, jStrName);
 	} else {
@@ -225,7 +225,7 @@ bool GodotJavaWrapper::request_permission(const String &p_name) {
 
 bool GodotJavaWrapper::request_permissions() {
 	if (_request_permissions) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallBooleanMethod(godot_instance, _request_permissions);
 	} else {
 		return false;
@@ -235,7 +235,7 @@ bool GodotJavaWrapper::request_permissions() {
 Vector<String> GodotJavaWrapper::get_granted_permissions() const {
 	Vector<String> permissions_list;
 	if (_get_granted_permissions) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		jobject permissions_object = env->CallObjectMethod(godot_instance, _get_granted_permissions);
 		jobjectArray *arr = reinterpret_cast<jobjectArray *>(&permissions_object);
 
@@ -253,14 +253,14 @@ Vector<String> GodotJavaWrapper::get_granted_permissions() const {
 
 void GodotJavaWrapper::init_input_devices() {
 	if (_init_input_devices) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(godot_instance, _init_input_devices);
 	}
 }
 
 jobject GodotJavaWrapper::get_surface() {
 	if (_get_surface) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallObjectMethod(godot_instance, _get_surface);
 	} else {
 		return nullptr;
@@ -269,7 +269,7 @@ jobject GodotJavaWrapper::get_surface() {
 
 bool GodotJavaWrapper::is_activity_resumed() {
 	if (_is_activity_resumed) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		return env->CallBooleanMethod(godot_instance, _is_activity_resumed);
 	} else {
 		return false;
@@ -278,7 +278,7 @@ bool GodotJavaWrapper::is_activity_resumed() {
 
 void GodotJavaWrapper::vibrate(int p_duration_ms) {
 	if (_vibrate) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(godot_instance, _vibrate, p_duration_ms);
 	}
 }
diff --git a/platform/android/net_socket_android.cpp b/platform/android/net_socket_android.cpp
index ba7b3d3775..ddc2368793 100644
--- a/platform/android/net_socket_android.cpp
+++ b/platform/android/net_socket_android.cpp
@@ -38,7 +38,7 @@ jmethodID NetSocketAndroid::_multicast_lock_acquire = 0;
 jmethodID NetSocketAndroid::_multicast_lock_release = 0;
 
 void NetSocketAndroid::setup(jobject p_net_utils) {
-	JNIEnv *env = ThreadAndroid::get_env();
+	JNIEnv *env = get_jni_env();
 
 	net_utils = env->NewGlobalRef(p_net_utils);
 
@@ -51,14 +51,14 @@ void NetSocketAndroid::setup(jobject p_net_utils) {
 
 void NetSocketAndroid::multicast_lock_acquire() {
 	if (_multicast_lock_acquire) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(net_utils, _multicast_lock_acquire);
 	}
 }
 
 void NetSocketAndroid::multicast_lock_release() {
 	if (_multicast_lock_release) {
-		JNIEnv *env = ThreadAndroid::get_env();
+		JNIEnv *env = get_jni_env();
 		env->CallVoidMethod(net_utils, _multicast_lock_release);
 	}
 }
diff --git a/platform/android/string_android.h b/platform/android/string_android.h
index 25c6f749d4..3721315d3f 100644
--- a/platform/android/string_android.h
+++ b/platform/android/string_android.h
@@ -37,14 +37,14 @@
 /**
  * Converts JNI jstring to Godot String.
  * @param source Source JNI string. If null an empty string is returned.
- * @param env JNI environment instance. If null obtained by ThreadAndroid::get_env().
+ * @param env JNI environment instance. If null obtained by get_jni_env().
  * @return Godot string instance.
  */
 static inline String jstring_to_string(jstring source, JNIEnv *env = nullptr) {
 	String result;
 	if (source) {
 		if (!env) {
-			env = ThreadAndroid::get_env();
+			env = get_jni_env();
 		}
 		const char *const source_utf8 = env->GetStringUTFChars(source, nullptr);
 		if (source_utf8) {
diff --git a/platform/android/thread_jandroid.cpp b/platform/android/thread_jandroid.cpp
index cb3527067f..afcc7294f2 100644
--- a/platform/android/thread_jandroid.cpp
+++ b/platform/android/thread_jandroid.cpp
@@ -30,116 +30,29 @@
 
 #include "thread_jandroid.h"
 
-#include "core/object/script_language.h"
-#include "core/os/memory.h"
-#include "core/templates/safe_refcount.h"
+#include "core/os/thread.h"
 
-static void _thread_id_key_destr_callback(void *p_value) {
-	memdelete(static_cast<Thread::ID *>(p_value));
-}
-
-static pthread_key_t _create_thread_id_key() {
-	pthread_key_t key;
-	pthread_key_create(&key, &_thread_id_key_destr_callback);
-	return key;
-}
-
-pthread_key_t ThreadAndroid::thread_id_key = _create_thread_id_key();
-Thread::ID ThreadAndroid::next_thread_id = 0;
-
-Thread::ID ThreadAndroid::get_id() const {
-	return id;
-}
-
-Thread *ThreadAndroid::create_thread_jandroid() {
-	return memnew(ThreadAndroid);
-}
-
-void *ThreadAndroid::thread_callback(void *userdata) {
-	ThreadAndroid *t = reinterpret_cast<ThreadAndroid *>(userdata);
-	setup_thread();
-	ScriptServer::thread_enter(); //scripts may need to attach a stack
-	t->id = atomic_increment(&next_thread_id);
-	pthread_setspecific(thread_id_key, (void *)memnew(ID(t->id)));
-	t->callback(t->user);
-	ScriptServer::thread_exit();
-	return nullptr;
-}
-
-Thread *ThreadAndroid::create_func_jandroid(ThreadCreateCallback p_callback, void *p_user, const Settings &) {
-	ThreadAndroid *tr = memnew(ThreadAndroid);
-	tr->callback = p_callback;
-	tr->user = p_user;
-	pthread_attr_init(&tr->pthread_attr);
-	pthread_attr_setdetachstate(&tr->pthread_attr, PTHREAD_CREATE_JOINABLE);
-
-	pthread_create(&tr->pthread, &tr->pthread_attr, thread_callback, tr);
-
-	return tr;
-}
+static JavaVM *java_vm = nullptr;
+static thread_local JNIEnv *env = nullptr;
 
-Thread::ID ThreadAndroid::get_thread_id_func_jandroid() {
-	void *value = pthread_getspecific(thread_id_key);
-
-	if (value)
-		return *static_cast<ID *>(value);
-
-	ID new_id = atomic_increment(&next_thread_id);
-	pthread_setspecific(thread_id_key, (void *)memnew(ID(new_id)));
-	return new_id;
-}
-
-void ThreadAndroid::wait_to_finish_func_jandroid(Thread *p_thread) {
-	ThreadAndroid *tp = static_cast<ThreadAndroid *>(p_thread);
-	ERR_FAIL_COND(!tp);
-	ERR_FAIL_COND(tp->pthread == 0);
-
-	pthread_join(tp->pthread, nullptr);
-	tp->pthread = 0;
-}
-
-void ThreadAndroid::_thread_destroyed(void *value) {
-	/* The thread is being destroyed, detach it from the Java VM and set the mThreadKey value to NULL as required */
-	JNIEnv *env = (JNIEnv *)value;
-	if (env != nullptr) {
-		java_vm->DetachCurrentThread();
-		pthread_setspecific(jvm_key, nullptr);
-	}
-}
-
-pthread_key_t ThreadAndroid::jvm_key;
-JavaVM *ThreadAndroid::java_vm = nullptr;
-
-void ThreadAndroid::setup_thread() {
-	if (pthread_getspecific(jvm_key))
-		return; //already setup
-	JNIEnv *env;
+static void init_thread() {
 	java_vm->AttachCurrentThread(&env, nullptr);
-	pthread_setspecific(jvm_key, (void *)env);
 }
 
-void ThreadAndroid::make_default(JavaVM *p_java_vm) {
-	java_vm = p_java_vm;
-	create_func = create_func_jandroid;
-	get_thread_id_func = get_thread_id_func_jandroid;
-	wait_to_finish_func = wait_to_finish_func_jandroid;
-	pthread_key_create(&jvm_key, _thread_destroyed);
-	setup_thread();
+static void term_thread() {
+	java_vm->DetachCurrentThread();
 }
 
-JNIEnv *ThreadAndroid::get_env() {
-	if (!pthread_getspecific(jvm_key)) {
-		setup_thread();
-	}
-
-	JNIEnv *env = nullptr;
-	java_vm->AttachCurrentThread(&env, nullptr);
-	return env;
+void init_thread_jandroid(JavaVM *p_jvm, JNIEnv *p_env) {
+	java_vm = p_jvm;
+	env = p_env;
+	Thread::_set_platform_funcs(nullptr, nullptr, &init_thread, &term_thread);
 }
 
-ThreadAndroid::ThreadAndroid() {
-	pthread = 0;
+void setup_android_thread() {
+	init_thread();
 }
 
-ThreadAndroid::~ThreadAndroid() {
+JNIEnv *get_jni_env() {
+	return env;
 }
diff --git a/platform/android/thread_jandroid.h b/platform/android/thread_jandroid.h
index c37e2d740e..ff13ae911f 100644
--- a/platform/android/thread_jandroid.h
+++ b/platform/android/thread_jandroid.h
@@ -28,46 +28,14 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#ifndef THREAD_POSIX_H
-#define THREAD_POSIX_H
+#ifndef THREAD_JANDROID_H
+#define THREAD_JANDROID_H
 
-#include "core/os/thread.h"
 #include <jni.h>
-#include <pthread.h>
-#include <sys/types.h>
 
-class ThreadAndroid : public Thread {
-	static pthread_key_t thread_id_key;
-	static ID next_thread_id;
+void init_thread_jandroid(JavaVM *p_jvm, JNIEnv *p_env);
 
-	pthread_t pthread;
-	pthread_attr_t pthread_attr;
-	ThreadCreateCallback callback;
-	void *user;
-	ID id;
-
-	static Thread *create_thread_jandroid();
-
-	static void *thread_callback(void *userdata);
-
-	static Thread *create_func_jandroid(ThreadCreateCallback p_callback, void *, const Settings &);
-	static ID get_thread_id_func_jandroid();
-	static void wait_to_finish_func_jandroid(Thread *p_thread);
-
-	static void _thread_destroyed(void *value);
-	ThreadAndroid();
-
-	static pthread_key_t jvm_key;
-	static JavaVM *java_vm;
-
-public:
-	virtual ID get_id() const;
-
-	static void make_default(JavaVM *p_java_vm);
-	static void setup_thread();
-	static JNIEnv *get_env();
-
-	~ThreadAndroid();
-};
+void setup_android_thread();
+JNIEnv *get_jni_env();
 
 #endif
diff --git a/platform/iphone/export/export.cpp b/platform/iphone/export/export.cpp
index 2229ebd4ab..604ad4e04b 100644
--- a/platform/iphone/export/export.cpp
+++ b/platform/iphone/export/export.cpp
@@ -57,7 +57,7 @@ class EditorExportPlatformIOS : public EditorExportPlatform {
 
 	// Plugins
 	volatile bool plugins_changed;
-	Thread *check_for_changes_thread;
+	Thread check_for_changes_thread;
 	volatile bool quit_request;
 	Mutex plugins_lock;
 	Vector<PluginConfigIOS> plugins;
@@ -1940,13 +1940,12 @@ EditorExportPlatformIOS::EditorExportPlatformIOS() {
 	plugins_changed = true;
 	quit_request = false;
 
-	check_for_changes_thread = Thread::create(_check_for_changes_poll_thread, this);
+	check_for_changes_thread.start(_check_for_changes_poll_thread, this);
 }
 
 EditorExportPlatformIOS::~EditorExportPlatformIOS() {
 	quit_request = true;
-	Thread::wait_to_finish(check_for_changes_thread);
-	memdelete(check_for_changes_thread);
+	check_for_changes_thread.wait_to_finish();
 }
 
 void register_iphone_exporter() {
diff --git a/platform/javascript/audio_driver_javascript.cpp b/platform/javascript/audio_driver_javascript.cpp
index 6395fdf721..f7cc9e6540 100644
--- a/platform/javascript/audio_driver_javascript.cpp
+++ b/platform/javascript/audio_driver_javascript.cpp
@@ -267,7 +267,7 @@ int AudioDriverJavaScript::WorkletNode::create(int p_buffer_size, int p_channels
 
 void AudioDriverJavaScript::WorkletNode::start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) {
 	godot_audio_worklet_start(p_in_buf, p_in_buf_size, p_out_buf, p_out_buf_size, state);
-	thread = Thread::create(_audio_thread_func, this);
+	thread.start(_audio_thread_func, this);
 }
 
 void AudioDriverJavaScript::WorkletNode::lock() {
@@ -280,8 +280,6 @@ void AudioDriverJavaScript::WorkletNode::unlock() {
 
 void AudioDriverJavaScript::WorkletNode::finish() {
 	quit = true; // Ask thread to quit.
-	Thread::wait_to_finish(thread);
-	memdelete(thread);
-	thread = nullptr;
+	thread.wait_to_finish();
 }
 #endif
diff --git a/platform/javascript/audio_driver_javascript.h b/platform/javascript/audio_driver_javascript.h
index d55ec261a4..393693640f 100644
--- a/platform/javascript/audio_driver_javascript.h
+++ b/platform/javascript/audio_driver_javascript.h
@@ -59,7 +59,7 @@ public:
 			STATE_MAX,
 		};
 		Mutex mutex;
-		Thread *thread = nullptr;
+		Thread thread;
 		bool quit = false;
 		int32_t state[STATE_MAX] = { 0 };
 
diff --git a/platform/javascript/export/export.cpp b/platform/javascript/export/export.cpp
index dd0938ee3e..f5d8a68994 100644
--- a/platform/javascript/export/export.cpp
+++ b/platform/javascript/export/export.cpp
@@ -214,7 +214,7 @@ class EditorExportPlatformJavaScript : public EditorExportPlatform {
 	Ref<EditorHTTPServer> server;
 	bool server_quit = false;
 	Mutex server_lock;
-	Thread *server_thread = nullptr;
+	Thread server_thread;
 
 	enum ExportMode {
 		EXPORT_MODE_NORMAL = 0,
@@ -682,7 +682,7 @@ void EditorExportPlatformJavaScript::_server_thread_poll(void *data) {
 
 EditorExportPlatformJavaScript::EditorExportPlatformJavaScript() {
 	server.instance();
-	server_thread = Thread::create(_server_thread_poll, this);
+	server_thread.start(_server_thread_poll, this);
 
 	Ref<Image> img = memnew(Image(_javascript_logo));
 	logo.instance();
@@ -703,8 +703,7 @@ EditorExportPlatformJavaScript::EditorExportPlatformJavaScript() {
 EditorExportPlatformJavaScript::~EditorExportPlatformJavaScript() {
 	server->stop();
 	server_quit = true;
-	Thread::wait_to_finish(server_thread);
-	memdelete(server_thread);
+	server_thread.wait_to_finish();
 }
 
 void register_javascript_exporter() {
diff --git a/platform/linuxbsd/display_server_x11.cpp b/platform/linuxbsd/display_server_x11.cpp
index 3f1a7ced60..53baf17858 100644
--- a/platform/linuxbsd/display_server_x11.cpp
+++ b/platform/linuxbsd/display_server_x11.cpp
@@ -4266,7 +4266,7 @@ DisplayServerX11::DisplayServerX11(const String &p_rendering_driver, WindowMode
 		}
 	}
 
-	events_thread = Thread::create(_poll_events_thread, this);
+	events_thread.start(_poll_events_thread, this);
 
 	_update_real_mouse_position(windows[MAIN_WINDOW_ID]);
 
@@ -4280,9 +4280,7 @@ DisplayServerX11::~DisplayServerX11() {
 	_clipboard_transfer_ownership(XInternAtom(x11_display, "CLIPBOARD", 0), x11_main_window);
 
 	events_thread_done = true;
-	Thread::wait_to_finish(events_thread);
-	memdelete(events_thread);
-	events_thread = nullptr;
+	events_thread.wait_to_finish();
 
 	//destroy all windows
 	for (Map<WindowID, WindowData>::Element *E = windows.front(); E; E = E->next()) {
diff --git a/platform/linuxbsd/display_server_x11.h b/platform/linuxbsd/display_server_x11.h
index 7784ba82b5..906710f933 100644
--- a/platform/linuxbsd/display_server_x11.h
+++ b/platform/linuxbsd/display_server_x11.h
@@ -252,7 +252,7 @@ class DisplayServerX11 : public DisplayServer {
 	void _dispatch_input_event(const Ref<InputEvent> &p_event);
 
 	mutable Mutex events_mutex;
-	Thread *events_thread = nullptr;
+	Thread events_thread;
 	bool events_thread_done = false;
 	LocalVector<XEvent> polled_events;
 	static void _poll_events_thread(void *ud);
diff --git a/platform/linuxbsd/joypad_linux.cpp b/platform/linuxbsd/joypad_linux.cpp
index d54d805199..4e96e6d687 100644
--- a/platform/linuxbsd/joypad_linux.cpp
+++ b/platform/linuxbsd/joypad_linux.cpp
@@ -74,13 +74,12 @@ void JoypadLinux::Joypad::reset() {
 JoypadLinux::JoypadLinux(Input *in) {
 	exit_udev = false;
 	input = in;
-	joy_thread = Thread::create(joy_thread_func, this);
+	joy_thread.start(joy_thread_func, this);
 }
 
 JoypadLinux::~JoypadLinux() {
 	exit_udev = true;
-	Thread::wait_to_finish(joy_thread);
-	memdelete(joy_thread);
+	joy_thread.wait_to_finish();
 	close_joypad();
 }
 
diff --git a/platform/linuxbsd/joypad_linux.h b/platform/linuxbsd/joypad_linux.h
index 20d30b510c..bf343b7ceb 100644
--- a/platform/linuxbsd/joypad_linux.h
+++ b/platform/linuxbsd/joypad_linux.h
@@ -72,7 +72,7 @@ private:
 
 	bool exit_udev;
 	Mutex joy_mutex;
-	Thread *joy_thread;
+	Thread joy_thread;
 	Input *input;
 	Joypad joypads[JOYPADS_MAX];
 	Vector<String> attached_devices;
diff --git a/platform/uwp/os_uwp.cpp b/platform/uwp/os_uwp.cpp
index f43c4ecdaf..8b60e55d2d 100644
--- a/platform/uwp/os_uwp.cpp
+++ b/platform/uwp/os_uwp.cpp
@@ -45,7 +45,6 @@
 #include "servers/audio_server.h"
 #include "servers/rendering/rendering_server_default.h"
 #include "servers/rendering/rendering_server_wrap_mt.h"
-#include "thread_uwp.h"
 
 #include <ppltasks.h>
 #include <wrl.h>
@@ -130,8 +129,6 @@ void OS_UWP::initialize_core() {
 
 	//RedirectIOToConsole();
 
-	ThreadUWP::make_default();
-
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
diff --git a/platform/uwp/thread_uwp.cpp b/platform/uwp/thread_uwp.cpp
deleted file mode 100644
index 364c414375..0000000000
--- a/platform/uwp/thread_uwp.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/*************************************************************************/
-/*  thread_uwp.cpp                                                       */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* 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.                */
-/*************************************************************************/
-
-#include "thread_uwp.h"
-
-#include "core/os/memory.h"
-
-Thread *ThreadUWP::create_func_uwp(ThreadCreateCallback p_callback, void *p_user, const Settings &) {
-	ThreadUWP *thread = memnew(ThreadUWP);
-
-	std::thread new_thread(p_callback, p_user);
-	std::swap(thread->thread, new_thread);
-
-	return thread;
-};
-
-Thread::ID ThreadUWP::get_thread_id_func_uwp() {
-	return std::hash<std::thread::id>()(std::this_thread::get_id());
-};
-
-void ThreadUWP::wait_to_finish_func_uwp(Thread *p_thread) {
-	ThreadUWP *tp = static_cast<ThreadUWP *>(p_thread);
-	tp->thread.join();
-};
-
-Thread::ID ThreadUWP::get_id() const {
-	return std::hash<std::thread::id>()(thread.get_id());
-};
-
-void ThreadUWP::make_default() {
-	create_func = create_func_uwp;
-	get_thread_id_func = get_thread_id_func_uwp;
-	wait_to_finish_func = wait_to_finish_func_uwp;
-};
diff --git a/platform/uwp/thread_uwp.h b/platform/uwp/thread_uwp.h
deleted file mode 100644
index 0bfc71d2e0..0000000000
--- a/platform/uwp/thread_uwp.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*************************************************************************/
-/*  thread_uwp.h                                                         */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* 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_UWP_H
-#define THREAD_UWP_H
-
-#ifdef UWP_ENABLED
-
-#include "core/os/thread.h"
-
-#include <thread>
-
-class ThreadUWP : public Thread {
-	std::thread thread;
-
-	static Thread *create_func_uwp(ThreadCreateCallback p_callback, void *, const Settings &);
-	static ID get_thread_id_func_uwp();
-	static void wait_to_finish_func_uwp(Thread *p_thread);
-
-	ThreadUWP() {}
-
-public:
-	virtual ID get_id() const;
-
-	static void make_default();
-
-	~ThreadUWP() {}
-};
-
-#endif // UWP_ENABLED
-
-#endif // THREAD_UWP_H
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index 3c38c715c1..fe007027da 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -39,7 +39,6 @@
 #include "core/version_generated.gen.h"
 #include "drivers/windows/dir_access_windows.h"
 #include "drivers/windows/file_access_windows.h"
-#include "drivers/windows/thread_windows.h"
 #include "joypad_windows.h"
 #include "lang_table.h"
 #include "main/main.h"
@@ -176,8 +175,6 @@ void OS_Windows::initialize() {
 
 	//RedirectIOToConsole();
 
-	ThreadWindows::make_default();
-
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);