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 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   NaClMainPlatformDelegate platform(parameters);
  32   bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox);
  33
  34 #if defined(OS_POSIX)
  35   // The number of cores must be obtained before the invocation of
  36   // platform.EnableSandbox(), so cannot simply be inlined below.
  37   int number_of_cores = sysconf(_SC_NPROCESSORS_ONLN);
  38 #endif
  39
  40   if (!no_sandbox) {
  41     platform.EnableSandbox();
  42   }
  43   NaClListener listener;
  44 #if defined(OS_POSIX)
  45   listener.set_number_of_cores(number_of_cores);
  46 #endif
  47
  48   listener.Listen();
  49 #else
  50   NOTIMPLEMENTED() << " not implemented startup, plugin startup dialog etc.";
  51 #endif
  52   return 0;
  53 }