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/threadLocalStorage.hpp"
  27 #ifdef TARGET_OS_FAMILY_linux
  28 # include "os_linux.inline.hpp"
  29 # include "thread_linux.inline.hpp"
  30 #endif
  31 #ifdef TARGET_OS_FAMILY_solaris
  32 # include "os_solaris.inline.hpp"
  33 # include "thread_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 # include "thread_windows.inline.hpp"
  38 #endif
  39 #ifdef TARGET_OS_FAMILY_bsd
  40 # include "os_bsd.inline.hpp"
  41 # include "thread_bsd.inline.hpp"
  42 #endif
  43 
  44 // static member initialization
  45 int ThreadLocalStorage::_thread_index = -1;
  46 
  47 Thread* ThreadLocalStorage::get_thread_slow() {
  48   return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index());
  49 }
  50 
  51 void ThreadLocalStorage::set_thread(Thread* thread) {
  52   pd_set_thread(thread);
  53 
  54   // The following ensure that any optimization tricks we have tried
  55   // did not backfire on us:
  56   guarantee(get_thread()      == thread, "must be the same thread, quickly");
  57   guarantee(get_thread_slow() == thread, "must be the same thread, slowly");
  58 }
  59 
  60 void ThreadLocalStorage::init() {
  61   assert(!is_initialized(),

   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 #ifdef TARGET_OS_FAMILY_linux
  29 # include "os_linux.inline.hpp"

  30 #endif
  31 #ifdef TARGET_OS_FAMILY_solaris
  32 # include "os_solaris.inline.hpp"

  33 #endif
  34 #ifdef TARGET_OS_FAMILY_windows
  35 # include "os_windows.inline.hpp"

  36 #endif
  37 #ifdef TARGET_OS_FAMILY_bsd
  38 # include "os_bsd.inline.hpp"

  39 #endif
  40 
  41 // static member initialization
  42 int ThreadLocalStorage::_thread_index = -1;
  43 
  44 Thread* ThreadLocalStorage::get_thread_slow() {
  45   return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index());
  46 }
  47 
  48 void ThreadLocalStorage::set_thread(Thread* thread) {
  49   pd_set_thread(thread);
  50 
  51   // The following ensure that any optimization tricks we have tried
  52   // did not backfire on us:
  53   guarantee(get_thread()      == thread, "must be the same thread, quickly");
  54   guarantee(get_thread_slow() == thread, "must be the same thread, slowly");
  55 }
  56 
  57 void ThreadLocalStorage::init() {
  58   assert(!is_initialized(),