1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef BASE_WIN_STARTUP_INFORMATION_H_
6 #define BASE_WIN_STARTUP_INFORMATION_H_
7 
8 #include <windows.h>
9 
10 #include <stddef.h>
11 
12 #include <memory>
13 
14 #include "base/base_export.h"
15 #include "base/macros.h"
16 
17 namespace base {
18 namespace win {
19 
20 // Manages the lifetime of additional attributes in STARTUPINFOEX.
21 class BASE_EXPORT StartupInformation {
22  public:
23   StartupInformation();
24 
25   ~StartupInformation();
26 
27   // Initialize the attribute list for the specified number of entries.
28   bool InitializeProcThreadAttributeList(DWORD attribute_count);
29 
30   // Sets one entry in the initialized attribute list.
31   // |value| needs to live at least as long as the StartupInformation object
32   // this is called on.
33   bool UpdateProcThreadAttribute(DWORD_PTR attribute, void* value, size_t size);
34 
startup_info()35   LPSTARTUPINFOW startup_info() { return &startup_info_.StartupInfo; }
startup_info()36   LPSTARTUPINFOW startup_info() const {
37     return const_cast<const LPSTARTUPINFOW>(&startup_info_.StartupInfo);
38   }
39 
has_extended_startup_info()40   bool has_extended_startup_info() const {
41     return !!startup_info_.lpAttributeList;
42   }
43 
44  private:
45   std::unique_ptr<char[]> attribute_list_;
46   STARTUPINFOEXW startup_info_;
47   DISALLOW_COPY_AND_ASSIGN(StartupInformation);
48 };
49 
50 }  // namespace win
51 }  // namespace base
52 
53 #endif  // BASE_WIN_STARTUP_INFORMATION_H_
54