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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_WINDOWS_CHILD_HPP | |
11 | #define BOOST_PROCESS_WINDOWS_CHILD_HPP | |
12 | ||
13 | #include <boost/move/move.hpp> | |
14 | #include <boost/winapi/handles.hpp> | |
15 | #include <boost/winapi/process.hpp> | |
16 | #include <boost/winapi/jobs.hpp> | |
17 | ||
18 | namespace boost { namespace process { namespace detail { namespace windows { | |
19 | ||
20effc67 | 20 | typedef ::boost::winapi::DWORD_ pid_t; |
b32b8144 FG |
21 | |
22 | struct child_handle | |
23 | { | |
24 | ::boost::winapi::PROCESS_INFORMATION_ proc_info{nullptr, nullptr, 0,0}; | |
25 | ||
26 | explicit child_handle(const ::boost::winapi::PROCESS_INFORMATION_ &pi) : | |
27 | proc_info(pi) | |
28 | {} | |
29 | ||
30 | explicit child_handle(pid_t pid) : | |
31 | proc_info{nullptr, nullptr, 0,0} | |
32 | { | |
33 | auto h = ::boost::winapi::OpenProcess( | |
34 | ::boost::winapi::PROCESS_ALL_ACCESS_, | |
35 | static_cast<::boost::winapi::BOOL_>(0), | |
36 | pid); | |
37 | ||
38 | if (h == nullptr) | |
39 | throw_last_error("OpenProcess() failed"); | |
40 | proc_info.hProcess = h; | |
41 | proc_info.dwProcessId = pid; | |
42 | } | |
43 | ||
44 | child_handle() = default; | |
45 | ~child_handle() | |
46 | { | |
47 | ::boost::winapi::CloseHandle(proc_info.hProcess); | |
48 | ::boost::winapi::CloseHandle(proc_info.hThread); | |
49 | } | |
50 | child_handle(const child_handle & c) = delete; | |
51 | child_handle(child_handle && c) : proc_info(c.proc_info) | |
52 | { | |
53 | c.proc_info.hProcess = ::boost::winapi::invalid_handle_value; | |
54 | c.proc_info.hThread = ::boost::winapi::invalid_handle_value; | |
55 | } | |
56 | child_handle &operator=(const child_handle & c) = delete; | |
57 | child_handle &operator=(child_handle && c) | |
58 | { | |
59 | ::boost::winapi::CloseHandle(proc_info.hProcess); | |
60 | ::boost::winapi::CloseHandle(proc_info.hThread); | |
61 | proc_info = c.proc_info; | |
62 | c.proc_info.hProcess = ::boost::winapi::invalid_handle_value; | |
63 | c.proc_info.hThread = ::boost::winapi::invalid_handle_value; | |
64 | return *this; | |
65 | } | |
66 | ||
67 | pid_t id() const | |
68 | { | |
20effc67 | 69 | return static_cast<pid_t>(proc_info.dwProcessId); |
b32b8144 FG |
70 | } |
71 | ||
72 | typedef ::boost::winapi::HANDLE_ process_handle_t; | |
73 | process_handle_t process_handle() const { return proc_info.hProcess; } | |
74 | ||
75 | bool valid() const | |
76 | { | |
77 | return (proc_info.hProcess != nullptr) && | |
78 | (proc_info.hProcess != ::boost::winapi::INVALID_HANDLE_VALUE_); | |
79 | } | |
80 | bool in_group() const | |
81 | { | |
82 | ::boost::winapi::BOOL_ value; | |
83 | if (!::boost::winapi::IsProcessInJob(proc_info.hProcess, nullptr, &value)) | |
84 | throw_last_error("IsProcessinJob Failed"); | |
85 | return value!=0; | |
86 | } | |
87 | bool in_group(std::error_code &ec) const noexcept | |
88 | { | |
89 | ::boost::winapi::BOOL_ value; | |
90 | if (!::boost::winapi::IsProcessInJob(proc_info.hProcess, nullptr, &value)) | |
91 | ec = get_last_error(); | |
92 | return value!=0; | |
93 | } | |
94 | }; | |
95 | ||
96 | }}}} | |
97 | ||
98 | #endif |