spdlog/include/spdlog/details/null_mutex.h

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//

#pragma once

// null, no cost mutex

namespace spdlog
{
namespace details
{
struct null_mutex
{
    void lock() {}
    void unlock() {}
    bool try_lock()
    {
        return true;
    }
};
}
}