DeprecatedSymbolsUsedBySafari.mm [plain text]
/*
* Copyright (C) 2014 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 "Functional.h"
#include "MainThread.h"
#include "NeverDestroyed.h"
#include "StdLibExtras.h"
#include <mutex>
// This file contains deprecated symbols that the last released version of Safari uses.
// Once Safari stops using them, we should remove them.
namespace WTF {
WTF_EXPORT_PRIVATE void callOnMainThread(const Function<void ()>&);
WTF_EXPORT_PRIVATE void lockAtomicallyInitializedStaticMutex();
WTF_EXPORT_PRIVATE void unlockAtomicallyInitializedStaticMutex();
void callOnMainThread(const Function<void ()>& function)
{
callOnMainThread(std::function<void ()>(function));
}
static std::mutex& atomicallyInitializedStaticMutex()
{
static std::once_flag onceFlag;
static LazyNeverDestroyed<std::mutex> mutex;
std::call_once(onceFlag, []{
mutex.construct();
});
return mutex;
}
void lockAtomicallyInitializedStaticMutex()
{
atomicallyInitializedStaticMutex().lock();
}
void unlockAtomicallyInitializedStaticMutex()
{
atomicallyInitializedStaticMutex().unlock();
}
} // namespace WTF