Source/WTF/wtf/ThreadingEnums.h

/*
 * Copyright (C) 2025 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.
 */

#pragma once

#include <cstdint>

namespace WTF {

enum class CanBeGCThread {
    False,
    True
};

enum class GCThreadType : uint8_t {
    None = 0,
    Main,
    Helper,
};

enum class ThreadType : uint8_t {
    Unknown = 0,
    JavaScript,
    Compiler,
    GarbageCollection,
    Network,
    Graphics,
    Audio,
};

enum class ThreadQOS {
    UserInteractive,
    UserInitiated,
    Default,
    Utility,
    Background
};

enum class ThreadSchedulingPolicy : uint8_t {
    Other = 0,
    FIFO,
    Realtime,
};

} // namespace WTF

using WTF::CanBeGCThread;
using WTF::GCThreadType;
using WTF::ThreadQOS;
using WTF::ThreadSchedulingPolicy;
using WTF::ThreadType;