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/*
* 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 <gio/gio.h>
static const size_t kVisualStudioThreadNameLimit = 31;
void WorkQueue::platformInitialize(const char* name, QOS)
{
m_eventContext = adoptGRef(g_main_context_new());
ASSERT(m_eventContext);
m_eventLoop = adoptGRef(g_main_loop_new(m_eventContext.get(), FALSE));
ASSERT(m_eventLoop);
// 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;
m_workQueueThread = createThread(reinterpret_cast<WTF::ThreadFunction>(&WorkQueue::startWorkQueueThread), this, threadName);
}
void WorkQueue::platformInvalidate()
{
MutexLocker locker(m_eventLoopLock);
if (m_eventLoop) {
if (g_main_loop_is_running(m_eventLoop.get()))
g_main_loop_quit(m_eventLoop.get());
m_eventLoop.clear();
}
m_eventContext.clear();
}
void WorkQueue::startWorkQueueThread(WorkQueue* workQueue)
{
workQueue->workQueueThreadBody();
}
void WorkQueue::workQueueThreadBody()
{
g_main_loop_run(m_eventLoop.get());
}
void WorkQueue::registerSocketEventHandler(int fileDescriptor, std::function<void ()> function, std::function<void ()> closeFunction)
{
GRefPtr<GSocket> socket = adoptGRef(g_socket_new_from_fd(fileDescriptor, 0));
ref();
m_socketEventSource.schedule("[WebKit] WorkQueue::SocketEventHandler", [function, closeFunction](GIOCondition condition) {
if (condition & G_IO_HUP || condition & G_IO_ERR || condition & G_IO_NVAL) {
closeFunction();
return GMainLoopSource::Stop;
}
if (condition & G_IO_IN) {
function();
return GMainLoopSource::Continue;
}
ASSERT_NOT_REACHED();
return GMainLoopSource::Stop;
}, socket.get(), G_IO_IN,
[this] { deref(); },
m_eventContext.get());
}
void WorkQueue::unregisterSocketEventHandler(int)
{
m_socketEventSource.cancel();
}
void WorkQueue::dispatch(std::function<void ()> function)
{
ref();
GMainLoopSource::scheduleAndDeleteOnDestroy("[WebKit] WorkQueue::dispatch", WTF::move(function), G_PRIORITY_DEFAULT,
[this] { deref(); }, m_eventContext.get());
}
void WorkQueue::dispatchAfter(std::chrono::nanoseconds duration, std::function<void ()> function)
{
ref();
GMainLoopSource::scheduleAfterDelayAndDeleteOnDestroy("[WebKit] WorkQueue::dispatchAfter", WTF::move(function),
std::chrono::duration_cast<std::chrono::milliseconds>(duration), G_PRIORITY_DEFAULT, [this] { deref(); }, m_eventContext.get());
}
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