--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/compiler/abstractCompiler.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,65 @@
+//
+// Copyright (c) 2007, 2013, Oracle and/or its affiliates. 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.
+//
+
+
+#include "precompiled.hpp"
+#include "compiler/abstractCompiler.hpp"
+#include "compiler/compileBroker.hpp"
+#include "runtime/mutexLocker.hpp"
+
+bool AbstractCompiler::should_perform_init() {
+  if (_compiler_state != initialized) {
+    MutexLocker only_one(CompileThread_lock);
+
+    if (_compiler_state == uninitialized) {
+      _compiler_state = initializing;
+      return true;
+    } else {
+      while (_compiler_state == initializing) {
+        CompileThread_lock->wait();
+      }
+    }
+  }
+  return false;
+}
+
+bool AbstractCompiler::should_perform_shutdown() {
+  // Since this method can be called by multiple threads, the lock ensures atomicity of
+  // decrementing '_num_compiler_threads' and the following operations.
+  MutexLocker only_one(CompileThread_lock);
+  _num_compiler_threads--;
+  assert (CompileBroker::is_compilation_disabled_forever(), "Must be set, otherwise thread waits forever");
+
+  // Only the last thread will perform shutdown operations
+  if (_num_compiler_threads == 0) {
+    return true;
+  }
+  return false;
+}
+
+void AbstractCompiler::set_state(int state) {
+  // Ensure that state is only set by one thread at a time
+  MutexLocker only_one(CompileThread_lock);
+  _compiler_state =  state;
+  CompileThread_lock->notify_all();
+}