1 // Copyright (c) 2015 Klemens D. Morgenstern
2 // Distributed under the Boost Software License, Version 1.0. (See accompanying
3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4
5 #include <boost/process.hpp>
6 #include <boost/program_options.hpp>
7
8 #include <vector>
9 #include <string>
10
11 #include <iostream>
12 #include <cstdint>
13
14 #include <fstream>
15
16 #include <chrono>
17
18
main(int argc,char * argv[])19 int main(int argc, char *argv[])
20 {
21 using namespace std;
22 using namespace boost::program_options;
23 using namespace boost::process;
24
25 bool launch_detached = false;
26 bool launch_attached = false;
27
28 options_description desc;
29 desc.add_options()
30 ("launch-detached", bool_switch(&launch_detached))
31 ("launch-attached", bool_switch(&launch_attached))
32 ;
33
34 variables_map vm;
35 command_line_parser parser(argc, argv);
36 store(parser.options(desc).allow_unregistered().run(), vm);
37 notify(vm);
38
39 child c1;
40 child c2;
41
42 std::error_code ec;
43
44 if (launch_attached)
45 {
46 c1 = child(argv[0], ec, std_out > null, std_err > null, std_in < null);
47 if (ec)
48 {
49 cout << -1 << endl;
50 cerr << ec.message() << endl;
51 return 1;
52 }
53
54 cout << c1.id() << endl;
55 }
56 else
57 cout << -1 << endl;
58
59 if (launch_detached)
60 {
61 group g;
62
63 c2 = child(argv[0], ec, g, std_out > null, std_err > null, std_in < null);
64 if (ec)
65 {
66 cout << -1 << endl;
67 cerr << ec.message() << endl;
68 return 1;
69 }
70 else
71 cout << c2.id() << endl;
72
73 g.detach();
74 }
75 else
76 cout << -1 << endl;
77
78
79 this_thread::sleep_for(chrono::seconds(10));
80
81
82 return 0;
83 }
84