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Diffstat (limited to 'Source/WebKit2/Platform/RunLoop.cpp')
-rw-r--r-- | Source/WebKit2/Platform/RunLoop.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Source/WebKit2/Platform/RunLoop.cpp b/Source/WebKit2/Platform/RunLoop.cpp new file mode 100644 index 0000000..606aba1 --- /dev/null +++ b/Source/WebKit2/Platform/RunLoop.cpp @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2010 Apple Inc. All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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. + */ + +#include "RunLoop.h" + +#include "WorkItem.h" +#include <wtf/StdLibExtras.h> + +static RunLoop* s_mainRunLoop; + +void RunLoop::initializeMainRunLoop() +{ + if (s_mainRunLoop) + return; + s_mainRunLoop = RunLoop::current(); +} + +RunLoop* RunLoop::current() +{ + DEFINE_STATIC_LOCAL(WTF::ThreadSpecific<RunLoop>, runLoopData, ()); + return &*runLoopData; +} + +RunLoop* RunLoop::main() +{ + ASSERT(s_mainRunLoop); + return s_mainRunLoop; +} + +void RunLoop::performWork() +{ + Vector<WorkItem*> workItemQueue; + { + MutexLocker locker(m_workItemQueueLock); + m_workItemQueue.swap(workItemQueue); + } + + for (size_t i = 0; i < workItemQueue.size(); ++i) { + OwnPtr<WorkItem> item(workItemQueue[i]); + item->execute(); + } +} + +void RunLoop::scheduleWork(PassOwnPtr<WorkItem> item) +{ + MutexLocker locker(m_workItemQueueLock); + m_workItemQueue.append(item.leakPtr()); + + wakeUp(); +} |