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/*
* Copyright (C) 2009 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 "config.h"
#include "LoaderRunLoopCF.h"
#if USE(CFNETWORK)
#include <CoreFoundation/CoreFoundation.h>
#include <limits>
#include <wtf/AutodrainedPool.h>
#include <wtf/MainThread.h>
#include <wtf/Threading.h>
namespace WebCore {
static CFRunLoopRef loaderRunLoopObject = 0;
static Mutex& loaderRunLoopMutex()
{
DEFINE_STATIC_LOCAL(Mutex, mutex, ());
return mutex;
}
static ThreadCondition& loaderRunLoopCondition()
{
DEFINE_STATIC_LOCAL(ThreadCondition, threadCondition, ());
return threadCondition;
}
static void emptyPerform(void*)
{
}
static void runLoaderThread(void*)
{
{
MutexLocker lock(loaderRunLoopMutex());
loaderRunLoopObject = CFRunLoopGetCurrent();
// Must add a source to the run loop to prevent CFRunLoopRun() from exiting.
CFRunLoopSourceContext ctxt = {0, (void*)1 /*must be non-null*/, 0, 0, 0, 0, 0, 0, 0, emptyPerform};
CFRunLoopSourceRef bogusSource = CFRunLoopSourceCreate(0, 0, &ctxt);
CFRunLoopAddSource(loaderRunLoopObject, bogusSource, kCFRunLoopDefaultMode);
loaderRunLoopCondition().signal();
}
SInt32 result;
do {
AutodrainedPool pool;
result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, std::numeric_limits<double>::max(), true);
} while (result != kCFRunLoopRunStopped && result != kCFRunLoopRunFinished);
}
CFRunLoopRef loaderRunLoop()
{
ASSERT(isMainThread());
MutexLocker lock(loaderRunLoopMutex());
if (!loaderRunLoopObject) {
createThread(runLoaderThread, 0, "WebCore: CFNetwork Loader");
loaderRunLoopCondition().wait(loaderRunLoopMutex());
}
return loaderRunLoopObject;
}
} // namespace WebCore
#endif // USE(CFNETWORK)
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