1/* sane - Scanner Access Now Easy.
2
3   Copyright (C) 2019 Povilas Kanapickas <povilas@radix.lt>
4
5   This file is part of the SANE package.
6
7   This program is free software; you can redistribute it and/or
8   modify it under the terms of the GNU General Public License as
9   published by the Free Software Foundation; either version 2 of the
10   License, or (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful, but
13   WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15   General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program.  If not, see <https://www.gnu.org/licenses/>.
19*/
20
21#define DEBUG_DECLARE_ONLY
22
23#include "static_init.h"
24#include <vector>
25
26namespace genesys {
27
28static std::unique_ptr<std::vector<std::function<void()>>> s_functions_run_at_backend_exit;
29
30void add_function_to_run_at_backend_exit(const std::function<void()>& function)
31{
32    if (!s_functions_run_at_backend_exit)
33        s_functions_run_at_backend_exit.reset(new std::vector<std::function<void()>>());
34    s_functions_run_at_backend_exit->push_back(std::move(function));
35}
36
37void run_functions_at_backend_exit()
38{
39    if (s_functions_run_at_backend_exit)
40    {
41        for (auto it = s_functions_run_at_backend_exit->rbegin();
42             it != s_functions_run_at_backend_exit->rend(); ++it)
43        {
44            (*it)();
45        }
46        s_functions_run_at_backend_exit.reset();
47    }
48}
49
50} // namespace genesys
51