| 1 | /*
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| 2 | * Copyright (C) 2008 Apple Inc. All rights reserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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| 14 | * its contributors may be used to endorse or promote products derived
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| 15 | * from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include "config.h"
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| 30 | #include "InitializeThreading.h"
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| 31 |
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| 32 | #include "JSImmediate.h"
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| 33 | #include "Collector.h"
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| 34 | #include "DateMath.h"
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| 35 | #include "dtoa.h"
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| 36 | #include "Identifier.h"
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| 37 | #include "JSGlobalObject.h"
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| 38 | #include "UString.h"
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| 39 | #include <wtf/Threading.h>
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| 40 |
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| 41 | using namespace WTF;
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| 42 |
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| 43 | namespace JSC {
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| 44 |
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| 45 | #if PLATFORM(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS)
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| 46 | static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT;
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| 47 | #endif
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| 48 |
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| 49 | static void initializeThreadingOnce()
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| 50 | {
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| 51 | WTF::initializeThreading();
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| 52 | initializeUString();
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| 53 | #if ENABLE(JSC_MULTIPLE_THREADS)
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| 54 | s_dtoaP5Mutex = new Mutex;
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| 55 | initDateMath();
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| 56 | #endif
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| 57 | }
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| 58 |
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| 59 | void initializeThreading()
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| 60 | {
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| 61 | #if PLATFORM(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS)
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| 62 | pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce);
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| 63 | #else
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| 64 | static bool initializedThreading = false;
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| 65 | if (!initializedThreading) {
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| 66 | initializeThreadingOnce();
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| 67 | initializedThreading = true;
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| 68 | }
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| 69 | #endif
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| 70 | }
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| 71 |
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| 72 | } // namespace JSC
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