diff options
| author | Konstantin Tokarev <annulen@yandex.ru> | 2016-08-25 19:20:41 +0300 |
|---|---|---|
| committer | Konstantin Tokarev <annulen@yandex.ru> | 2017-02-02 12:30:55 +0000 |
| commit | 6882a04fb36642862b11efe514251d32070c3d65 (patch) | |
| tree | b7959826000b061fd5ccc7512035c7478742f7b0 /Source/WTF/wtf/glib/WorkQueueGLib.cpp | |
| parent | ab6df191029eeeb0b0f16f127d553265659f739e (diff) | |
Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)
Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>
Diffstat (limited to 'Source/WTF/wtf/glib/WorkQueueGLib.cpp')
| -rw-r--r-- | Source/WTF/wtf/glib/WorkQueueGLib.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/Source/WTF/wtf/glib/WorkQueueGLib.cpp b/Source/WTF/wtf/glib/WorkQueueGLib.cpp new file mode 100644 index 000000000..632ff4051 --- /dev/null +++ b/Source/WTF/wtf/glib/WorkQueueGLib.cpp @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2011 Igalia S.L. + * Copyright (C) 2010 Apple Inc. All rights reserved. + * Portions Copyright (c) 2010 Motorola Mobility, 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 "config.h" +#include "WorkQueue.h" + +#include <glib.h> +#include <string.h> + +namespace WTF { + +static const size_t kVisualStudioThreadNameLimit = 31; + +void WorkQueue::platformInitialize(const char* name, Type, QOS) +{ + // This name can be com.apple.WebKit.ProcessLauncher or com.apple.CoreIPC.ReceiveQueue. + // We are using those names for the thread name, but both are longer than 31 characters, + // which is the limit of Visual Studio for thread names. + // When log is enabled createThread() will assert instead of truncate the name, so we need + // to make sure we don't use a name longer than 31 characters. + const char* threadName = g_strrstr(name, "."); + if (threadName) + threadName++; + else + threadName = name; + if (strlen(threadName) > kVisualStudioThreadNameLimit) + threadName += strlen(threadName) - kVisualStudioThreadNameLimit; + + LockHolder locker(m_initializeRunLoopConditionMutex); + m_workQueueThread = createThread(threadName, [this] { + { + LockHolder locker(m_initializeRunLoopConditionMutex); + m_runLoop = &RunLoop::current(); + m_initializeRunLoopCondition.notifyOne(); + } + m_runLoop->run(); + { + LockHolder locker(m_terminateRunLoopConditionMutex); + m_runLoop = nullptr; + m_terminateRunLoopCondition.notifyOne(); + } + }); + m_initializeRunLoopCondition.wait(m_initializeRunLoopConditionMutex); +} + +void WorkQueue::platformInvalidate() +{ + { + LockHolder locker(m_terminateRunLoopConditionMutex); + if (m_runLoop) { + m_runLoop->stop(); + m_terminateRunLoopCondition.wait(m_terminateRunLoopConditionMutex); + } + } + + if (m_workQueueThread) { + detachThread(m_workQueueThread); + m_workQueueThread = 0; + } +} + +void WorkQueue::dispatch(std::function<void ()> function) +{ + RefPtr<WorkQueue> protector(this); + m_runLoop->dispatch([protector, function] { function(); }); +} + +class DispatchAfterContext { + WTF_MAKE_FAST_ALLOCATED; +public: + DispatchAfterContext(WorkQueue& queue, std::function<void ()> function) + : m_queue(&queue) + , m_function(WTFMove(function)) + { + } + + ~DispatchAfterContext() + { + } + + void dispatch() + { + m_function(); + } + +private: + RefPtr<WorkQueue> m_queue; + std::function<void ()> m_function; +}; + +void WorkQueue::dispatchAfter(std::chrono::nanoseconds duration, std::function<void ()> function) +{ + GRefPtr<GSource> source = adoptGRef(g_timeout_source_new(std::chrono::duration_cast<std::chrono::milliseconds>(duration).count())); + g_source_set_name(source.get(), "[WebKit] WorkQueue dispatchAfter"); + + std::unique_ptr<DispatchAfterContext> context = std::make_unique<DispatchAfterContext>(*this, WTFMove(function)); + g_source_set_callback(source.get(), [](gpointer userData) -> gboolean { + std::unique_ptr<DispatchAfterContext> context(static_cast<DispatchAfterContext*>(userData)); + context->dispatch(); + return G_SOURCE_REMOVE; + }, context.release(), nullptr); + g_source_attach(source.get(), m_runLoop->mainContext()); +} + +} |