chrome/browser/first_run/upgrade_util_linux.cc

   1 // Copyright (c) 2011 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 #include "chrome/browser/first_run/upgrade_util.h"
   6
   7 #include "base/base_paths.h"
   8 #include "base/command_line.h"
   9 #include "base/files/file_path.h"
  10 #include "base/files/file_util.h"
  11 #include "base/logging.h"
  12 #include "base/path_service.h"
  13 #include "base/process/launch.h"
  14 #include "chrome/browser/first_run/upgrade_util_linux.h"
  15
  16 namespace {
  17
  18 double saved_last_modified_time_of_exe = 0;
  19
  20 }  // namespace
  21
  22 namespace upgrade_util {
  23
  24 bool RelaunchChromeBrowser(const base::CommandLine& command_line) {
  25   base::LaunchOptions options;
  26   // Don't set NO_NEW_PRIVS on the relaunched browser process.
  27   options.allow_new_privs = true;
  28   return base::LaunchProcess(command_line, options).IsValid();
  29 }
  30
  31 bool IsUpdatePendingRestart() {
  32   return saved_last_modified_time_of_exe != GetLastModifiedTimeOfExe();
  33 }
  34
  35 void SaveLastModifiedTimeOfExe() {
  36   saved_last_modified_time_of_exe = GetLastModifiedTimeOfExe();
  37 }
  38
  39 double GetLastModifiedTimeOfExe() {
  40   base::FilePath exe_file_path;
  41   if (!PathService::Get(base::FILE_EXE, &exe_file_path)) {
  42     LOG(WARNING) << "Failed to get base::FilePath object for FILE_EXE.";
  43     return saved_last_modified_time_of_exe;
  44   }
  45   base::File::Info exe_file_info;
  46   if (!base::GetFileInfo(exe_file_path, &exe_file_info)) {
  47     LOG(WARNING) << "Failed to get FileInfo object for FILE_EXE - "
  48                  << exe_file_path.value();
  49     return saved_last_modified_time_of_exe;
  50   }
  51   return exe_file_info.last_modified.ToDoubleT();
  52 }
  53
  54 }  // namespace upgrade_util