| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/command_line.h" |
| #include "base/debug/leak_annotations.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/threading/platform_thread.h" |
| #include "base/timer/hi_res_timer_manager.h" |
| #include "build/build_config.h" |
| #include "content/child/child_process.h" |
| #include "content/common/sandbox_linux/sandbox_linux.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/public/common/main_function_params.h" |
| #include "content/public/common/sandbox_init.h" |
| #include "content/utility/utility_thread_impl.h" |
| |
| #if defined(OS_WIN) |
| #include "base/rand_util.h" |
| #include "sandbox/win/src/sandbox.h" |
| #endif |
| |
| namespace content { |
| |
| // Mainline routine for running as the utility process. |
| int UtilityMain(const MainFunctionParams& parameters) { |
| // The main message loop of the utility process. |
| base::MessageLoop main_message_loop; |
| base::PlatformThread::SetName("CrUtilityMain"); |
| |
| #if defined(OS_LINUX) |
| // Initializes the sandbox before any threads are created. |
| // TODO(jorgelo): move this after GTK initialization when we enable a strict |
| // Seccomp-BPF policy. |
| if (parameters.zygote_child) |
| LinuxSandbox::InitializeSandbox(); |
| #endif |
| |
| ChildProcess utility_process; |
| utility_process.set_main_thread(new UtilityThreadImpl()); |
| |
| base::HighResolutionTimerManager hi_res_timer_manager; |
| |
| #if defined(OS_WIN) |
| bool no_sandbox = parameters.command_line.HasSwitch(switches::kNoSandbox); |
| if (!no_sandbox) { |
| sandbox::TargetServices* target_services = |
| parameters.sandbox_info->target_services; |
| if (!target_services) |
| return false; |
| char buffer; |
| // Ensure RtlGenRandom is warm before the token is lowered; otherwise, |
| // base::RandBytes() will CHECK fail when v8 is initialized. |
| base::RandBytes(&buffer, sizeof(buffer)); |
| target_services->LowerToken(); |
| } |
| #endif |
| |
| base::MessageLoop::current()->Run(); |
| |
| #if defined(LEAK_SANITIZER) |
| // Invoke LeakSanitizer before shutting down the utility thread, to avoid |
| // reporting shutdown-only leaks. |
| __lsan_do_leak_check(); |
| #endif |
| |
| return 0; |
| } |
| |
| } // namespace content |