1 /*

     2  * Copyright (C) 2009 Jian Li <jianli@chromium.org>

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public License

    15  * along with this library; see the file COPYING.LIB.  If not, write to

    16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    17  * Boston, MA 02110-1301, USA.

    18  *

    19  */

    20 

    21 #include "config.h"

    22 

    23 #include "ThreadSpecific.h"

    24 #include <wtf/Noncopyable.h>

    25 

    26 #if USE(PTHREADS)

    27 #error This file should not be compiled by ports that do not use Windows native ThreadSpecific implementation.

    28 #endif

    29 

    30 namespace WTF {

    31 

    32 long& tlsKeyCount()

    33 {

    34     static long count;

    35     return count;

    36 }

    37 

    38 DWORD* tlsKeys()

    39 {

    40     static DWORD keys[kMaxTlsKeySize];

    41     return keys;

    42 }

    43 

    44 void ThreadSpecificThreadExit()

    45 {

    46     for (long i = 0; i < tlsKeyCount(); i++) {

    47         // The layout of ThreadSpecific<T>::Data does not depend on T. So we are safe to do the static cast to ThreadSpecific<int> in order to access its data member.

    48         ThreadSpecific<int>::Data* data = static_cast<ThreadSpecific<int>::Data*>(TlsGetValue(tlsKeys()[i]));

    49         if (data)

    50             data->destructor(data);

    51     }

    52 }

    53 

    54 } // namespace WTF