Keep only base/extractor.[cc|h].

base/proc_utils.h

-// Copyright 2003-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#ifndef OMAHA_COMMON_PROC_UTILS_H_
-#define OMAHA_COMMON_PROC_UTILS_H_
-
-#include <windows.h>
-#include <tlhelp32.h>
-#include <atlstr.h>
-#include <vector>
-#include "base/basictypes.h"
-
-namespace omaha {
-
-// Moved here from installation directory. Generic enought to be in common.
-class ProcessTerminator {
- public:
-
-  // constants for specifying which methods to attempt when killing a process
-  static const int KILL_METHOD_1_WINDOW_MESSAGE = 0x01;
-  static const int KILL_METHOD_2_THREAD_MESSAGE = 0x02;
-  static const int KILL_METHOD_4_TERMINATE_PROCESS = 0x08;
-  static const int INVALID_SESSION_ID = 0xFFFF;
-
-  // Creates the object given the process name to kill.
-  explicit ProcessTerminator(const CString& process_name);
-  ProcessTerminator(const CString& process_name, const CString& user_sid);
-  ProcessTerminator(const CString& process_name,
-                    const CString& user_sid,
-                    int session_id);
-
-  // Performs necessary cleanup.
-  ~ProcessTerminator();
-
-  // Go through process list try to find the required one to kill,
-  // trying three methods to kill, from easiest and cleanest to a
-  // harsh one.  S_OK if no process by the right name was found, or if it was
-  // found and was killed.  E_FAIL otherwise.  was_found returns true if
-  // process was found. Kills all instances of a process.
-  HRESULT KillTheProcess(uint32 timeout_msec,
-                         bool* was_found,
-                         uint32 method_mask,
-                         bool flash_window);
-
-  // Wait for all instances of the process to die.
-  HRESULT WaitForAllToDie(uint32 timeout_msec);
-
-  // Finds all process ids for the process of a given name.
-  bool FindProcessInstances();
-
- private:
-
-  // Will try to open handle to each instance.
-  // Leaves process handles open (in member process_handles_)
-  // Will use access rights for opening appropriate for the purpose_of_opening
-  bool PrepareToKill(uint32 method_mask);
-
-  // Wait for process instances to die for timeout_msec
-  // return true if all are dead and false if timed out.
-  bool WaitForProcessInstancesToDie(uint32 timeout_msec) const;
-
-  // Will close all currently opened handles.
-  void CloseAllHandles();
-
-
-  //
-  // Killing via messages to window
-  //
-  // Function which meet win32 requirements for callback
-  // function passed into EnumWindows function.
-  BOOL static CALLBACK EnumAllWindowsProc(HWND hwnd, LPARAM lparam);
-
-  // Will return true if it succeeds in finding a window for the process
-  // to be killed, otherwise false.  If there are such top-level windows
-  // then returns an array of window handles.
-  bool FindProcessWindows();
-
-  // Will try to kill the process via posting windows messages
-  // returns true on success otherwise false.
-  // Timeout is maximum time to wait for WM_CLOSE to work before going to
-  // next method.
-  bool KillProcessViaWndMessages(uint32 timeout_msec);
-
-  //
-  // Killing via messages to thread
-  //
-  // Try to find the threads than run in
-  // the process in question.
-  bool FindProcessThreads(std::vector<uint32>* thread_ids);
-
-  // Will try to kill the process via posing thread messages
-  // returns true on success otherwise false.
-  // Timeout is maximum time to wait for message to work before going to
-  // next method.
-  bool KillProcessViaThreadMessages(uint32 timeout_msec);
-
-  // The last and crude method to kill the process.
-  // Calls TerminateProcess function.
-  bool KillProcessViaTerminate(uint32 timeout_msec);
-
-  // Private member variables:
-  CString process_name_;
-  // One process can have several instances
-  // running. This array will keep handles to all
-  // instances of the process.
-  std::vector<HANDLE> process_handles_;
-  // Array of process ids which correspond to different
-  // instances of the same process.
-  std::vector<uint32>  process_ids_;
-  // Function PrepareToKill can call itself
-  // recursively under some conditions.
-  // We need to stop the recursion at some point.
-  // This is the purpose of this member.
-  int recursion_level_;
-  // Array of window handles.
-  std::vector<HWND> window_handles_;
-  // The sid of the user whose process needs to be terminated.
-  CString user_sid_;
-  // True if the window flashes on shut down.
-  bool flash_window_;
-  // The session to search the processes in.
-  int session_id_;
-
-  // Disable copy constructor and assignment operator.
-  DISALLOW_EVIL_CONSTRUCTORS(ProcessTerminator);
-};
-
-// Application calling this function will be shut down
-// by the system without displaying message boxes if the application
-// fails to shutdown itself properly as a result of processing
-// WM_QUERYENDSESSION.
-HRESULT SetProcessSilentShutdown();
-
-}  // namespace omaha
-
-#endif  // OMAHA_COMMON_PROC_UTILS_H_