content/utility/utility_main.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 "base/command_line.h"
   6 #include "base/hi_res_timer_manager.h"
   7 #include "base/message_loop.h"
   8 #include "base/system_monitor/system_monitor.h"
   9 #include "base/threading/platform_thread.h"
  10 #include "content/common/child_process.h"
  11 #include "content/public/common/content_switches.h"
  12 #include "content/public/common/main_function_params.h"
  13 #include "content/public/common/sandbox_init.h"
  14 #include "content/utility/utility_thread_impl.h"
  15
  16 #if defined(OS_WIN)
  17 #include "sandbox/win/src/sandbox.h"
  18 #endif
  19
  20 namespace content {
  21
  22 // Mainline routine for running as the utility process.
  23 int UtilityMain(const MainFunctionParams& parameters) {
  24   // The main message loop of the utility process.
  25   MessageLoop main_message_loop;
  26   base::PlatformThread::SetName("CrUtilityMain");
  27
  28   base::SystemMonitor system_monitor;
  29   HighResolutionTimerManager hi_res_timer_manager;
  30
  31 #if defined(OS_LINUX)
  32   // Initialize the sandbox before any thread is created.
  33   InitializeSandbox();
  34 #endif
  35
  36   ChildProcess utility_process;
  37   utility_process.set_main_thread(new UtilityThreadImpl());
  38
  39 #if defined(OS_WIN)
  40   bool no_sandbox = parameters.command_line.HasSwitch(switches::kNoSandbox);
  41   if (!no_sandbox) {
  42     sandbox::TargetServices* target_services =
  43         parameters.sandbox_info->target_services;
  44     if (!target_services)
  45       return false;
  46     target_services->LowerToken();
  47   }
  48 #endif
  49
  50   MessageLoop::current()->Run();
  51
  52   return 0;
  53 }
  54
  55 }  // namespace content