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1 | // Copyright (c) 2006, 2007 Julio M. Merino Vidal |
2 | // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling | |
3 | // Copyright (c) 2009 Boris Schaeling | |
4 | // Copyright (c) 2010 Felipe Tanus, Boris Schaeling | |
5 | // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling | |
6 | // | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | ||
10 | #ifndef BOOST_PROCESS_POSIX_CHILD_HPP | |
11 | #define BOOST_PROCESS_POSIX_CHILD_HPP | |
12 | ||
13 | #include <utility> | |
14 | #include <system_error> | |
15 | ||
16 | namespace boost { namespace process { namespace detail { namespace posix { | |
17 | ||
18 | typedef ::pid_t pid_t; | |
19 | ||
20 | struct child_handle | |
21 | { | |
22 | int pid {-1}; | |
23 | explicit child_handle(int pid) : pid(pid) | |
24 | {} | |
25 | ||
26 | child_handle() = default; | |
27 | ~child_handle() = default; | |
28 | ||
29 | child_handle(const child_handle & c) = delete; | |
30 | child_handle(child_handle && c) : pid(c.pid) | |
31 | { | |
32 | c.pid = -1; | |
33 | } | |
34 | child_handle &operator=(const child_handle & c) = delete; | |
35 | child_handle &operator=(child_handle && c) | |
36 | { | |
37 | pid = c.pid; | |
38 | c.pid = -1; | |
39 | return *this; | |
40 | } | |
41 | ||
42 | int id() const | |
43 | { | |
44 | return pid; | |
45 | } | |
46 | bool in_group() const {return true;} | |
47 | bool in_group(std::error_code&) const noexcept {return true;} | |
48 | ||
49 | typedef int process_handle_t; | |
50 | process_handle_t process_handle() const { return pid; } | |
51 | ||
52 | bool valid() const | |
53 | { | |
54 | return pid != -1; | |
55 | } | |
56 | }; | |
57 | ||
58 | }}}} | |
59 | ||
60 | #endif |