Source/WTF/wtf/MainThread.h - Issue 14238015: Move Source/WTF/wtf to Source/wtf

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Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 8 months ago

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1 /*

2 * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.

3 * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)

4 *

5 * Redistribution and use in source and binary forms, with or without

6 * modification, are permitted provided that the following conditions

7 * are met:

8 *

9 * 1. Redistributions of source code must retain the above copyright

10 * notice, this list of conditions and the following disclaimer.

11 * 2. Redistributions in binary form must reproduce the above copyright

12 * notice, this list of conditions and the following disclaimer in the

13 * documentation and/or other materials provided with the distribution.

14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of

15 * its contributors may be used to endorse or promote products derived

16 * from this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

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

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

27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

28 */

29

30 #ifndef MainThread_h

31 #define MainThread_h

32

33 #include <stdint.h>

34

35 namespace WTF {

36

37 typedef uint32_t ThreadIdentifier;

38 typedef void MainThreadFunction(void*);

39

40 // Must be called from the main thread.

41 WTF_EXPORT_PRIVATE void initializeMainThread();

42

43 WTF_EXPORT_PRIVATE void callOnMainThread(MainThreadFunction, void context);

44 WTF_EXPORT_PRIVATE void callOnMainThreadAndWait(MainThreadFunction, void conte xt);

45 WTF_EXPORT_PRIVATE void cancelCallOnMainThread(MainThreadFunction, void contex t);

46

47 template<typename> class Function;

48 WTF_EXPORT_PRIVATE void callOnMainThread(const Function<void ()>&);

49

50 WTF_EXPORT_PRIVATE void setMainThreadCallbacksPaused(bool paused);

51

52 WTF_EXPORT_PRIVATE bool isMainThread();

53

54 #if USE(WEB_THREAD)

55 WTF_EXPORT_PRIVATE bool isWebThread();

56 WTF_EXPORT_PRIVATE bool isUIThread();

57 #else

58 inline bool isWebThread() { return isMainThread(); }

59 inline bool isUIThread() { return isMainThread(); }

60 #endif // USE(WEB_THREAD)

61

62 void initializeGCThreads();

63

64 inline bool isMainThreadOrGCThread() { return isMainThread(); }

65

66 // NOTE: these functions are internal to the callOnMainThread implementation.

67 void initializeMainThreadPlatform();

68 void scheduleDispatchFunctionsOnMainThread();

69 void dispatchFunctionsFromMainThread();

70

71 } // namespace WTF

72

73 using WTF::callOnMainThread;

74 using WTF::callOnMainThreadAndWait;

75 using WTF::cancelCallOnMainThread;

76 using WTF::setMainThreadCallbacksPaused;

77 using WTF::isMainThread;

78 using WTF::isMainThreadOrGCThread;

79 #endif // MainThread_h

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