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