yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,
// Copyright 2017 Citra Emulator Project// Licensed under GPLv2 or any later version// Refer to the license.txt file included.#include <core/hle/lock.h>namespace HLE {std::recursive_mutex g_hle_lock;}