From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001 From: Steve Block Date: Fri, 6 May 2011 11:45:16 +0100 Subject: Merge WebKit at r75315: Initial merge by git. Change-Id: I570314b346ce101c935ed22a626b48c2af266b84 --- Source/JavaScriptCore/wtf/MainThread.h | 71 ++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Source/JavaScriptCore/wtf/MainThread.h (limited to 'Source/JavaScriptCore/wtf/MainThread.h') diff --git a/Source/JavaScriptCore/wtf/MainThread.h b/Source/JavaScriptCore/wtf/MainThread.h new file mode 100644 index 0000000..7703f3e --- /dev/null +++ b/Source/JavaScriptCore/wtf/MainThread.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved. + * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef MainThread_h +#define MainThread_h + +#include + +namespace WTF { + +typedef uint32_t ThreadIdentifier; +typedef void MainThreadFunction(void*); + +// Must be called from the main thread. +void initializeMainThread(); + +void callOnMainThread(MainThreadFunction*, void* context); +void callOnMainThreadAndWait(MainThreadFunction*, void* context); +void cancelCallOnMainThread(MainThreadFunction*, void* context); + +void setMainThreadCallbacksPaused(bool paused); + +bool isMainThread(); + +// NOTE: these functions are internal to the callOnMainThread implementation. +void initializeMainThreadPlatform(); +void scheduleDispatchFunctionsOnMainThread(); +void dispatchFunctionsFromMainThread(); + +#if PLATFORM(MAC) +// This version of initializeMainThread sets up the main thread as corresponding +// to the process's main thread, and not necessarily the thread that calls this +// function. It should only be used as a legacy aid for Mac WebKit. +void initializeMainThreadToProcessMainThread(); +void initializeMainThreadToProcessMainThreadPlatform(); +#endif + +} // namespace WTF + +using WTF::callOnMainThread; +using WTF::callOnMainThreadAndWait; +using WTF::cancelCallOnMainThread; +using WTF::setMainThreadCallbacksPaused; +using WTF::isMainThread; +#endif // MainThread_h -- cgit v1.1