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
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ipc/handle_attachment_win.h"
#include <windows.h>
namespace IPC {
namespace internal {
HandleAttachmentWin::HandleAttachmentWin(const HANDLE& handle,
HandleWin::Permissions permissions)
: handle_(INVALID_HANDLE_VALUE),
permissions_(HandleWin::INVALID),
owns_handle_(true) {
HANDLE duplicated_handle;
BOOL result =
::DuplicateHandle(GetCurrentProcess(), handle, GetCurrentProcess(),
&duplicated_handle, 0, FALSE, DUPLICATE_SAME_ACCESS);
if (result) {
handle_ = duplicated_handle;
permissions_ = permissions;
}
}
HandleAttachmentWin::HandleAttachmentWin(const HANDLE& handle,
FromWire from_wire)
: handle_(handle), permissions_(HandleWin::INVALID), owns_handle_(true) {}
HandleAttachmentWin::HandleAttachmentWin(const WireFormat& wire_format)
: BrokerableAttachment(wire_format.attachment_id),
handle_(LongToHandle(wire_format.handle)),
permissions_(wire_format.permissions),
owns_handle_(true) {}
HandleAttachmentWin::~HandleAttachmentWin() {
if (handle_ != INVALID_HANDLE_VALUE && owns_handle_)
::CloseHandle(handle_);
}
HandleAttachmentWin::BrokerableType HandleAttachmentWin::GetBrokerableType()
const {
return WIN_HANDLE;
}
HandleAttachmentWin::WireFormat HandleAttachmentWin::GetWireFormat(
const base::ProcessId& destination) const {
return WireFormat(HandleToLong(handle_), destination, permissions_,
GetIdentifier());
}
} // namespace internal
} // namespace IPC
|
