2 * Copyright (C) 2008 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "InitializeThreading.h"
32 #include "ExecutableAllocator.h"
34 #include "Heuristics.h"
35 #include "Identifier.h"
36 #include "JSDateMath.h"
37 #include "JSGlobalObject.h"
39 #include "WriteBarrier.h"
41 #include <wtf/Threading.h>
42 #include <wtf/dtoa/cached-powers.h>
49 static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT;
52 static void initializeThreadingOnce()
54 WTF::double_conversion::initialize();
55 WTF::initializeThreading();
56 Heuristics::initializeHeuristics();
57 #if ENABLE(WRITE_BARRIER_PROFILING)
58 WriteBarrierCounters::initialize();
60 JSGlobalData::storeVPtrs();
61 #if ENABLE(JIT) && ENABLE(ASSEMBLER)
62 ExecutableAllocator::initializeAllocator();
64 RegisterFile::initializeThreading();
67 void initializeThreading()
70 pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce);
72 static bool initializedThreading = false;
73 if (!initializedThreading) {
74 initializeThreadingOnce();
75 initializedThreading = true;