// Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "Windows 7 drivers" project.
// For details, see https://github.com/egor-tensin/windows7-drivers.
// Distributed under the MIT License.

#include "libservice/all.hpp"

#include <Windows.h>

#include <system_error>
#include <utility>

namespace libservice
{
    ServiceManager ServiceManager::open()
    {
        SC_HANDLE raw = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);

        if (NULL == raw)
        {
            const auto ec = GetLastError();
            throw std::system_error(
                ec, WindowsErrorCategory::get(), LIBSERVICE_ERROR_PREFIX);
        }

        return ServiceHandle(raw);
    }

    void swap(ServiceManager& a, ServiceManager& b) LIBSERVICE_NOEXCEPT
    {
        a.swap(b);
    }
}

namespace std
{
    template <>
    void swap<libservice::ServiceManager>(
        libservice::ServiceManager& a,
        libservice::ServiceManager& b) LIBSERVICE_NOEXCEPT
    {
        a.swap(b);
    }
}