1 /*

     2  * Copyright (C) 2008 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 "ThreadGlobalData.h"

    29 

    30 #include "EventNames.h"

    31 #include "StringImpl.h"

    32 #include "ThreadTimers.h"

    33 #include <wtf/UnusedParam.h>

    34 #include <wtf/WTFThreadData.h>

    35 

    36 #if USE(ICU_UNICODE)

    37 #include "TextCodecICU.h"

    38 #endif

    39 

    40 #if PLATFORM(MAC)

    41 #include "TextCodecMac.h"

    42 #endif

    43 

    44 #if ENABLE(WORKERS)

    45 #include <wtf/Threading.h>

    46 #include <wtf/ThreadSpecific.h>

    47 using namespace WTF;

    48 #endif

    49 

    50 namespace WebCore {

    51 

    52 #if ENABLE(WORKERS)

    53 ThreadSpecific<ThreadGlobalData>* ThreadGlobalData::staticData;

    54 #else

    55 ThreadGlobalData* ThreadGlobalData::staticData;

    56 #endif

    57 

    58 ThreadGlobalData::ThreadGlobalData()

    59     : m_eventNames(new EventNames)

    60     , m_threadTimers(new ThreadTimers)

    61 #ifndef NDEBUG

    62     , m_isMainThread(isMainThread())

    63 #endif

    64 #if USE(ICU_UNICODE)

    65     , m_cachedConverterICU(new ICUConverterWrapper)

    66 #endif

    67 #if PLATFORM(MAC)

    68     , m_cachedConverterTEC(new TECConverterWrapper)

    69 #endif

    70 {

    71     // This constructor will have been called on the main thread before being called on

    72     // any other thread, and is only called once per thread - this makes this a convenient

    73     // point to call methods that internally perform a one-time initialization that is not

    74     // threadsafe.

    75     wtfThreadData();

    76     StringImpl::empty();

    77 }

    78 

    79 ThreadGlobalData::~ThreadGlobalData()

    80 {

    81     destroy();

    82 }

    83 

    84 void ThreadGlobalData::destroy()

    85 {

    86 #if PLATFORM(MAC)

    87     delete m_cachedConverterTEC;

    88     m_cachedConverterTEC = 0;

    89 #endif

    90 

    91 #if USE(ICU_UNICODE)

    92     delete m_cachedConverterICU;

    93     m_cachedConverterICU = 0;

    94 #endif

    95 

    96     delete m_eventNames;

    97     m_eventNames = 0;

    98     delete m_threadTimers;

    99     m_threadTimers = 0;

   100 }

   101 

   102 } // namespace WebCore