1 /*
   2  * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "runtime/thread.inline.hpp"
  27 #include "runtime/threadLocalStorage.hpp"
  28 
  29 // True thread-local variable
  30 __thread Thread * ThreadLocalStorage::_thr_current = NULL;
  31 
  32 // Implementations needed to support the shared API
  33 
  34 void ThreadLocalStorage::pd_invalidate_all() {} // nothing to do
  35 
  36 bool ThreadLocalStorage::_initialized = false;
  37 
  38 void ThreadLocalStorage::init() {
  39   _initialized = true;
  40 }
  41 
  42 bool ThreadLocalStorage::is_initialized() {
  43   return _initialized;
  44 }
  45 
  46 Thread* ThreadLocalStorage::get_thread_slow() {
  47     return thread();
  48 }
  49 
  50 extern "C" Thread* get_thread() {
  51   return ThreadLocalStorage::thread();
  52 }