Source/WTF/wtf/MainThreadDispatcher.cpp

/*
 * Copyright (C) 2024 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
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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#include "config.h"
#include <wtf/MainThreadDispatcher.h>

#include <wtf/NeverDestroyed.h>
#include <wtf/Ref.h>

namespace WTF {

MainThreadDispatcher& MainThreadDispatcher::singleton()
{
    static NeverDestroyed<Ref<MainThreadDispatcher>> dispatcher = adoptRef(*new MainThreadDispatcher());
    return dispatcher.get();
}

bool MainThreadDispatcher::isCurrent() const
{
    return isMainThread();
}

void MainThreadDispatcher::dispatch(Function<void ()>&& function)
{
    callOnMainThread(WTF::move(function));
}

} // namespace WTF