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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_PROCESS_WINDOWS_CHILD_HPP
#define BOOST_PROCESS_WINDOWS_CHILD_HPP
#include <boost/move/move.hpp>
#include <boost/detail/winapi/handles.hpp>
#include <boost/detail/winapi/process.hpp>
#include <boost/detail/winapi/jobs.hpp>
namespace boost { namespace process { namespace detail { namespace windows {
typedef int pid_t;
struct child_handle
{
::boost::detail::winapi::PROCESS_INFORMATION_ proc_info{nullptr, nullptr, 0,0};
explicit child_handle(const ::boost::detail::winapi::PROCESS_INFORMATION_ &pi) :
proc_info(pi)
{}
explicit child_handle(pid_t pid) :
proc_info{nullptr, nullptr, 0,0}
{
auto h = ::boost::detail::winapi::OpenProcess(
::boost::detail::winapi::PROCESS_ALL_ACCESS_,
static_cast<::boost::detail::winapi::BOOL_>(0),
pid);
if (h == nullptr)
throw_last_error("OpenProcess() failed");
proc_info.hProcess = h;
proc_info.dwProcessId = pid;
}
child_handle() = default;
~child_handle()
{
::boost::detail::winapi::CloseHandle(proc_info.hProcess);
::boost::detail::winapi::CloseHandle(proc_info.hThread);
}
child_handle(const child_handle & c) = delete;
child_handle(child_handle && c) : proc_info(c.proc_info)
{
c.proc_info.hProcess = ::boost::detail::winapi::invalid_handle_value;
c.proc_info.hThread = ::boost::detail::winapi::invalid_handle_value;
}
child_handle &operator=(const child_handle & c) = delete;
child_handle &operator=(child_handle && c)
{
::boost::detail::winapi::CloseHandle(proc_info.hProcess);
::boost::detail::winapi::CloseHandle(proc_info.hThread);
proc_info = c.proc_info;
c.proc_info.hProcess = ::boost::detail::winapi::invalid_handle_value;
c.proc_info.hThread = ::boost::detail::winapi::invalid_handle_value;
return *this;
}
pid_t id() const
{
return static_cast<int>(proc_info.dwProcessId);
}
typedef ::boost::detail::winapi::HANDLE_ process_handle_t;
process_handle_t process_handle() const { return proc_info.hProcess; }
bool valid() const
{
return (proc_info.hProcess != nullptr) &&
(proc_info.hProcess != ::boost::detail::winapi::INVALID_HANDLE_VALUE_);
}
bool in_group() const
{
::boost::detail::winapi::BOOL_ value;
if (!::boost::detail::winapi::IsProcessInJob(proc_info.hProcess, nullptr, &value))
throw_last_error("IsProcessinJob Failed");
return value!=0;
}
bool in_group(std::error_code &ec) const noexcept
{
::boost::detail::winapi::BOOL_ value;
if (!::boost::detail::winapi::IsProcessInJob(proc_info.hProcess, nullptr, &value))
ec = get_last_error();
return value!=0;
}
};
}}}}
#endif
|
