utils/libservice/src/service_manager.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

/**
 * \file
 * \author Egor Tensin <Egor.Tensin@gmail.com>
 * \date 2015
 * \copyright This file is licensed under the terms of the MIT License.
 *            See LICENSE.txt for details.
 */

#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);
    }
}