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 if (parameters.zygote_child) 34 LinuxSandbox::InitializeSandbox(); 35 #endif 36 37 ChildProcess utility_process; 38 utility_process.set_main_thread(new UtilityThreadImpl()); 39 40 base::HighResolutionTimerManager hi_res_timer_manager; 41 42 #if defined(OS_WIN) 43 bool no_sandbox = parameters.command_line.HasSwitch(switches::kNoSandbox); 44 if (!no_sandbox) { 45 sandbox::TargetServices* target_services = 46 parameters.sandbox_info->target_services; 47 if (!target_services) 48 return false; 49 target_services->LowerToken(); 50 } 51 #endif 52 53 base::MessageLoop::current()->Run(); 54 55 #if defined(LEAK_SANITIZER) 56 // Invoke LeakSanitizer before shutting down the utility thread, to avoid 57 // reporting shutdown-only leaks. 58 __lsan_do_leak_check(); 59 #endif 60 61 return 0; 62 } 63 64 } // namespace content 65
