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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) | 3 * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #ifndef Threading_h | 30 #ifndef Threading_h |
31 #define Threading_h | 31 #define Threading_h |
32 | 32 |
| 33 #include <stdint.h> |
33 #include "wtf/Atomics.h" | 34 #include "wtf/Atomics.h" |
34 #include "wtf/TypeTraits.h" | 35 #include "wtf/TypeTraits.h" |
35 #include "wtf/WTFExport.h" | 36 #include "wtf/WTFExport.h" |
36 #include <stdint.h> | |
37 | 37 |
38 // For portability, we do not make use of C++11 thread-safe statics, as | 38 // For portability, we do not make use of C++11 thread-safe statics, as |
39 // supported by some toolchains. Make use of double-checked locking to reduce | 39 // supported by some toolchains. Make use of double-checked locking to reduce |
40 // overhead. Note that this uses system-wide default lock, and cannot be used | 40 // overhead. Note that this uses system-wide default lock, and cannot be used |
41 // before WTF::initializeThreading() is called. | 41 // before WTF::initializeThreading() is called. |
42 #define DEFINE_THREAD_SAFE_STATIC_LOCAL(T, name, initializer) \ | 42 #define DEFINE_THREAD_SAFE_STATIC_LOCAL(T, name, initializer) \ |
43 static_assert(!WTF::IsGarbageCollectedType<T>::value, \ | 43 static_assert(!WTF::IsGarbageCollectedType<T>::value, \ |
44 "Garbage collected types should not be a static local!"); \ | 44 "Garbage collected types should not be a static local!"); \ |
45 /* Init to nullptr is thread-safe on all implementations. */ \ | 45 /* Init to nullptr is thread-safe on all implementations. */ \ |
46 static void* name##Pointer = nullptr; \ | 46 static void* name##Pointer = nullptr; \ |
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76 WTF_EXPORT bool isBeforeThreadCreated(); | 76 WTF_EXPORT bool isBeforeThreadCreated(); |
77 WTF_EXPORT void willCreateThread(); | 77 WTF_EXPORT void willCreateThread(); |
78 #endif | 78 #endif |
79 | 79 |
80 } // namespace WTF | 80 } // namespace WTF |
81 | 81 |
82 using WTF::ThreadIdentifier; | 82 using WTF::ThreadIdentifier; |
83 using WTF::currentThread; | 83 using WTF::currentThread; |
84 | 84 |
85 #endif // Threading_h | 85 #endif // Threading_h |
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