base/win/startup_information.h

   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 "base/base_export.h"
  11 #include "base/basictypes.h"
  12
  13 namespace base {
  14 namespace win {
  15
  16 // Manages the lifetime of additional attributes in STARTUPINFOEX.
  17 class BASE_EXPORT StartupInformation {
  18  public:
  19   StartupInformation();
  20
  21   ~StartupInformation();
  22
  23   // Initialize the attribute list for the specified number of entries.
  24   bool InitializeProcThreadAttributeList(DWORD attribute_count);
  25
  26   // Sets one entry in the initialized attribute list.
  27   // |value| needs to live at least as long as the StartupInformation object
  28   // this is called on.
  29   bool UpdateProcThreadAttribute(DWORD_PTR attribute,
  30                                  void* value,
  31                                  size_t size);
  32
  33   LPSTARTUPINFOW startup_info() { return &startup_info_.StartupInfo; }
  34   const LPSTARTUPINFOW startup_info() const {
  35     return const_cast<const LPSTARTUPINFOW>(&startup_info_.StartupInfo);
  36   }
  37
  38   bool has_extended_startup_info() const {
  39     return !!startup_info_.lpAttributeList;
  40   }
  41
  42  private:
  43   STARTUPINFOEXW startup_info_;
  44   DISALLOW_COPY_AND_ASSIGN(StartupInformation);
  45 };
  46
  47 }  // namespace win
  48 }  // namespace base
  49
  50 #endif  // BASE_WIN_STARTUP_INFORMATION_H_