startup_information.h (1477B)
1 // Copyright 2012 The Chromium Authors 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 16 namespace base { 17 namespace win { 18 19 // Manages the lifetime of additional attributes in STARTUPINFOEX. 20 class BASE_EXPORT StartupInformation { 21 public: 22 StartupInformation(); 23 24 StartupInformation(const StartupInformation&) = delete; 25 StartupInformation& operator=(const StartupInformation&) = delete; 26 27 ~StartupInformation(); 28 29 // Initialize the attribute list for the specified number of entries. 30 bool InitializeProcThreadAttributeList(DWORD attribute_count); 31 32 // Sets one entry in the initialized attribute list. 33 // |value| needs to live at least as long as the StartupInformation object 34 // this is called on. 35 bool UpdateProcThreadAttribute(DWORD_PTR attribute, void* value, size_t size); 36 37 LPSTARTUPINFOW startup_info() { return &startup_info_.StartupInfo; } 38 LPSTARTUPINFOW startup_info() const { 39 return const_cast<const LPSTARTUPINFOW>(&startup_info_.StartupInfo); 40 } 41 42 bool has_extended_startup_info() const { 43 return !!startup_info_.lpAttributeList; 44 } 45 46 private: 47 std::unique_ptr<char[]> attribute_list_; 48 STARTUPINFOEXW startup_info_; 49 }; 50 51 } // namespace win 52 } // namespace base 53 54 #endif // BASE_WIN_STARTUP_INFORMATION_H_