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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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "config.h"
30#include "InitializeThreading.h"
31
32#include "ExecutableAllocator.h"
33#include "Heap.h"
34#include "HeapStatistics.h"
35#include "Options.h"
36#include "Identifier.h"
37#include "JSDateMath.h"
38#include "JSGlobalObject.h"
39#include "JSLock.h"
40#include "LLIntData.h"
41#include "WriteBarrier.h"
42#include <wtf/dtoa.h>
43#include <wtf/Threading.h>
44#include <wtf/dtoa/cached-powers.h>
45
46using namespace WTF;
47
48namespace JSC {
49
50#if OS(DARWIN)
51static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT;
52#endif
53
54static void initializeThreadingOnce()
55{
56 WTF::double_conversion::initialize();
57 WTF::initializeThreading();
58 GlobalJSLock::initialize();
59 Options::initialize();
60 if (Options::recordGCPauseTimes())
61 HeapStatistics::initialize();
62#if ENABLE(WRITE_BARRIER_PROFILING)
63 WriteBarrierCounters::initialize();
64#endif
65#if ENABLE(ASSEMBLER)
66 ExecutableAllocator::initializeAllocator();
67#endif
68 JSStack::initializeThreading();
69#if ENABLE(LLINT)
70 LLInt::initialize();
71#endif
72}
73
74void initializeThreading()
75{
76#if OS(DARWIN)
77 pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce);
78#else
79 static bool initializedThreading = false;
80 if (!initializedThreading) {
81 initializeThreadingOnce();
82 initializedThreading = true;
83 }
84#endif
85}
86
87} // namespace JSC