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 tlsKeyCount()32long& tlsKeyCount() 33 { 34 static long count; 35 return count; 36 } 37 tlsKeys()38DWORD* tlsKeys() 39 { 40 static DWORD keys[kMaxTlsKeySize]; 41 return keys; 42 } 43 ThreadSpecificThreadExit()44void 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 55