components/nacl/loader/nacl_main.cc

   1 // Copyright 2013 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 "build/build_config.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/power_monitor/power_monitor.h"
  10 #include "base/power_monitor/power_monitor_device_source.h"
  11 #include "base/timer/hi_res_timer_manager.h"
  12 #include "components/nacl/loader/nacl_listener.h"
  13 #include "components/nacl/loader/nacl_main_platform_delegate.h"
  14 #include "content/public/common/content_switches.h"
  15 #include "content/public/common/main_function_params.h"
  16
  17 // main() routine for the NaCl loader process.
  18 int NaClMain(const content::MainFunctionParams& parameters) {
  19   const base::CommandLine& parsed_command_line = parameters.command_line;
  20
  21   // The main thread of the plugin services IO.
  22   base::MessageLoopForIO main_message_loop;
  23   base::PlatformThread::SetName("CrNaClMain");
  24
  25   scoped_ptr<base::PowerMonitorSource> power_monitor_source(
  26       new base::PowerMonitorDeviceSource());
  27   base::PowerMonitor power_monitor(power_monitor_source.Pass());
  28   base::HighResolutionTimerManager hi_res_timer_manager;
  29
  30 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || \
  31     defined(OS_ANDROID)
  32   NaClMainPlatformDelegate platform;
  33   bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox);
  34
  35 #if defined(OS_POSIX)
  36   // The number of cores must be obtained before the invocation of
  37   // platform.EnableSandbox(), so cannot simply be inlined below.
  38   int number_of_cores = sysconf(_SC_NPROCESSORS_ONLN);
  39 #endif
  40
  41   if (!no_sandbox) {
  42     platform.EnableSandbox(parameters);
  43   }
  44   NaClListener listener;
  45 #if defined(OS_POSIX)
  46   listener.set_number_of_cores(number_of_cores);
  47 #endif
  48
  49   listener.Listen();
  50 #else
  51   NOTIMPLEMENTED() << " not implemented startup, plugin startup dialog etc.";
  52 #endif
  53   return 0;
  54 }