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/debug/leak_annotations.h" 7 #include "base/message_loop/message_loop.h" 8 #include "base/threading/platform_thread.h" 9 #include "base/timer/hi_res_timer_manager.h" 10 #include "content/child/child_process.h" 11 #include "content/common/sandbox_linux/sandbox_linux.h" 12 #include "content/public/common/content_switches.h" 13 #include "content/public/common/main_function_params.h" 14 #include "content/public/common/sandbox_init.h" 15 #include "content/utility/utility_thread_impl.h" 16 17 #if defined(OS_WIN) 18 #include "sandbox/win/src/sandbox.h" 19 #endif 20 21 namespace content { 22 23 // Mainline routine for running as the utility process. 24 int UtilityMain(const MainFunctionParams& parameters) { 25 // The main message loop of the utility process. 26 base::MessageLoop main_message_loop; 27 base::PlatformThread::SetName("CrUtilityMain"); 28 29 #if defined(OS_LINUX) 30 // Initializes the sandbox before any threads are created. 31 // TODO(jorgelo): move this after GTK initialization when we enable a strict 32 // Seccomp-BPF policy. 33 LinuxSandbox::InitializeSandbox(); 34 #endif 35 36 ChildProcess utility_process; 37 utility_process.set_main_thread(new UtilityThreadImpl()); 38 39 base::HighResolutionTimerManager hi_res_timer_manager; 40 41 #if defined(OS_WIN) 42 bool no_sandbox = parameters.command_line.HasSwitch(switches::kNoSandbox); 43 if (!no_sandbox) { 44 sandbox::TargetServices* target_services = 45 parameters.sandbox_info->target_services; 46 if (!target_services) 47 return false; 48 target_services->LowerToken(); 49 } 50 #endif 51 52 base::MessageLoop::current()->Run(); 53 54 #if defined(LEAK_SANITIZER) 55 // Invoke LeakSanitizer before shutting down the utility thread, to avoid 56 // reporting shutdown-only leaks. 57 __lsan_do_leak_check(); 58 #endif 59 60 return 0; 61 } 62 63 } // namespace content 64
