--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/os/aix/osThread_aix.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+// no precompiled headers
+
+#include "runtime/handles.inline.hpp"
+#include "runtime/mutexLocker.hpp"
+#include "runtime/os.hpp"
+#include "runtime/osThread.hpp"
+#include "runtime/safepoint.hpp"
+#include "runtime/vmThread.hpp"
+
+void OSThread::pd_initialize() {
+  assert(this != NULL, "check");
+  _thread_id        = 0;
+  _kernel_thread_id = 0;
+  _siginfo = NULL;
+  _ucontext = NULL;
+  _expanding_stack = 0;
+  _alt_sig_stack = NULL;
+
+  _last_cpu_times.sys = _last_cpu_times.user = 0L;
+
+  sigemptyset(&_caller_sigmask);
+
+  _startThread_lock = new Monitor(Mutex::event, "startThread_lock", true,
+                                  Monitor::_safepoint_check_never);
+  assert(_startThread_lock != NULL, "check");
+}
+
+void OSThread::pd_destroy() {
+  delete _startThread_lock;
+}