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 "Collector.h" |
33 | #include "dtoa.h" |
34 | #include "Identifier.h" |
35 | #include "JSGlobalObject.h" |
36 | #include "UString.h" |
37 | #include <wtf/DateMath.h> |
38 | #include <wtf/Threading.h> |
39 | |
40 | using namespace WTF; |
41 | |
42 | namespace JSC { |
43 | |
44 | #if OS(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS) |
45 | static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT; |
46 | #endif |
47 | |
48 | static void initializeThreadingOnce() |
49 | { |
50 | WTF::initializeThreading(); |
51 | initializeUString(); |
52 | JSGlobalData::storeVPtrs(); |
53 | #if ENABLE(JSC_MULTIPLE_THREADS) |
54 | s_dtoaP5Mutex = new Mutex; |
55 | initializeDates(); |
56 | #endif |
57 | } |
58 | |
59 | void initializeThreading() |
60 | { |
61 | #if OS(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS) |
62 | pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce); |
63 | #else |
64 | static bool initializedThreading = false; |
65 | if (!initializedThreading) { |
66 | initializeThreadingOnce(); |
67 | initializedThreading = true; |
68 | } |
69 | #endif |
70 | } |
71 | |
72 | } // namespace JSC |
73 | |