diff --git a/src/thread_os2.cpp b/src/thread_os2.cpp
new file mode 100644
--- /dev/null
+++ b/src/thread_os2.cpp
@@ -0,0 +1,80 @@
+/* $Id$ */
+
+/** @file thread_os2.cpp OS2 implementation of Threads. */
+
+#include "stdafx.h"
+#include "thread.h"
+
+#if 0
+#include "debug.h"
+#include "core/alloc_func.hpp"
+#include <stdlib.h>
+
+#define INCL_DOS
+#include <os2.h>
+#include <process.h>
+
+struct OTTDThread {
+	TID thread;
+	OTTDThreadFunc func;
+	void *arg;
+	void *ret;
+};
+
+static void Proxy(void *arg)
+{
+	OTTDThread *t = (OTTDThread *)arg;
+	t->ret = t->func(t->arg);
+}
+
+OTTDThread *OTTDCreateThread(OTTDThreadFunc function, void *arg)
+{
+	OTTDThread *t = MallocT<OTTDThread>(1);
+
+	t->func = function;
+	t->arg  = arg;
+	t->thread = _beginthread(Proxy, NULL, 32768, t);
+	if (t->thread != (TID)-1) {
+		return t;
+	} else {
+		free(t);
+		return NULL;
+	}
+}
+
+void *OTTDJoinThread(OTTDThread *t)
+{
+	if (t == NULL) return NULL;
+
+	DosWaitThread(&t->thread, DCWW_WAIT);
+	void *ret = t->ret;
+	free(t);
+	return ret;
+}
+
+void OTTDExitThread()
+{
+	_endthread();
+}
+
+#endif
+
+/* static */ ThreadObject *ThreadObject::New(OTTDThreadFunc proc, void *param)
+{
+	return NULL;
+}
+
+/* static */ ThreadObject *ThreadObject::AttachCurrent()
+{
+	return NULL;
+}
+
+/* static */ uint ThreadObject::CurrentId()
+{
+	return -1;
+}
+
+/* static */ ThreadSemaphore *ThreadSemaphore::New()
+{
+	return NULL;
+}