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 "ThreadTimers.h"
32 #include <wtf/UnusedParam.h>
33 #include <wtf/WTFThreadData.h>
34 #include <wtf/text/StringImpl.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 
ThreadGlobalData()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 
~ThreadGlobalData()79 ThreadGlobalData::~ThreadGlobalData()
80 {
81     destroy();
82 }
83 
destroy()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
103