wtf/WTFThreadData.cpp

   1 /*
   2  * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  *
  25  */
  26
  27 #include "config.h"
  28 #include "WTFThreadData.h"
  29
  30 namespace WTF {
  31
  32 #if WTFTHREADDATA_MULTITHREADED
  33 ThreadSpecific<WTFThreadData>* WTFThreadData::staticData;
  34 #else
  35 WTFThreadData* WTFThreadData::staticData;
  36 #endif
  37
  38 WTFThreadData::WTFThreadData()
  39     : m_atomicStringTable(0)
  40     , m_atomicStringTableDestructor(0)
  41 #if USE(JSC)
  42     , m_stackBounds(StackBounds::currentThreadStackBounds())
  43 #endif
  44 {
  45 #if USE(JSC)
  46     static JSC::IdentifierTable* sharedIdentifierTable = new JSC::IdentifierTable();
  47     if (pthread_main_np() || isWebThread())
  48         m_defaultIdentifierTable = sharedIdentifierTable;
  49     else
  50         m_defaultIdentifierTable = new JSC::IdentifierTable();
  51
  52     m_currentIdentifierTable = m_defaultIdentifierTable;
  53 #endif
  54 }
  55
  56 WTFThreadData::~WTFThreadData()
  57 {
  58     if (m_atomicStringTableDestructor)
  59         m_atomicStringTableDestructor(m_atomicStringTable);
  60 #if USE(JSC)
  61     delete m_defaultIdentifierTable;
  62 #endif
  63 }
  64
  65 }