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Unified Diff: services/shell/runner/host/child_process_base.cc

Issue 2419723002: Move services/shell to services/service_manager (Closed)
Patch Set: rebase Created 4 years, 2 months ago
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Index: services/shell/runner/host/child_process_base.cc
diff --git a/services/shell/runner/host/child_process_base.cc b/services/shell/runner/host/child_process_base.cc
deleted file mode 100644
index c085e2d63f33bdde2d72aa57dc698472355d6c06..0000000000000000000000000000000000000000
--- a/services/shell/runner/host/child_process_base.cc
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright 2014 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 "services/shell/runner/host/child_process_base.h"
-
-#include "base/command_line.h"
-#include "base/debug/stack_trace.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "mojo/edk/embedder/embedder.h"
-#include "mojo/edk/embedder/process_delegate.h"
-#include "services/shell/runner/common/client_util.h"
-#include "services/shell/runner/common/switches.h"
-
-#if defined(OS_LINUX)
-#include "base/rand_util.h"
-#include "base/sys_info.h"
-#include "services/shell/runner/host/linux_sandbox.h"
-#endif
-
-#if defined(OS_MACOSX)
-#include "services/shell/runner/host/mach_broker.h"
-#endif
-
-namespace shell {
-
-namespace {
-
-#if defined(OS_LINUX)
-std::unique_ptr<LinuxSandbox> InitializeSandbox() {
- using sandbox::syscall_broker::BrokerFilePermission;
- // Warm parts of base in the copy of base in the mojo runner.
- base::RandUint64();
- base::SysInfo::AmountOfPhysicalMemory();
- base::SysInfo::NumberOfProcessors();
-
- // TODO(erg,jln): Allowing access to all of /dev/shm/ makes it easy to
- // spy on other shared memory using processes. This is a temporary hack
- // so that we have some sandbox until we have proper shared memory
- // support integrated into mojo.
- std::vector<BrokerFilePermission> permissions;
- permissions.push_back(
- BrokerFilePermission::ReadWriteCreateUnlinkRecursive("/dev/shm/"));
- std::unique_ptr<LinuxSandbox> sandbox(new LinuxSandbox(permissions));
- sandbox->Warmup();
- sandbox->EngageNamespaceSandbox();
- sandbox->EngageSeccompSandbox();
- sandbox->Seal();
- return sandbox;
-}
-#endif
-
-// Should be created and initialized on the main thread and kept alive as long
-// a Service is running in the current process.
-class ScopedAppContext : public mojo::edk::ProcessDelegate {
- public:
- ScopedAppContext()
- : io_thread_("io_thread"),
- wait_for_shutdown_event_(
- base::WaitableEvent::ResetPolicy::MANUAL,
- base::WaitableEvent::InitialState::NOT_SIGNALED) {
- // Initialize Mojo before starting any threads.
- mojo::edk::Init();
-
- // Create and start our I/O thread.
- base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0);
- CHECK(io_thread_.StartWithOptions(io_thread_options));
- io_runner_ = io_thread_.task_runner().get();
- CHECK(io_runner_.get());
-
- mojo::edk::InitIPCSupport(this, io_runner_);
- mojo::edk::SetParentPipeHandleFromCommandLine();
- }
-
- ~ScopedAppContext() override {
- mojo::edk::ShutdownIPCSupport();
- wait_for_shutdown_event_.Wait();
- }
-
- private:
- // ProcessDelegate implementation.
- void OnShutdownComplete() override {
- wait_for_shutdown_event_.Signal();
- }
-
- base::Thread io_thread_;
- scoped_refptr<base::SingleThreadTaskRunner> io_runner_;
-
- // Used to unblock the main thread on shutdown.
- base::WaitableEvent wait_for_shutdown_event_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopedAppContext);
-};
-
-} // namespace
-
-void ChildProcessMainWithCallback(const RunCallback& callback) {
- DCHECK(!base::MessageLoop::current());
-
-#if defined(OS_MACOSX)
- // Send our task port to the parent.
- MachBroker::SendTaskPortToParent();
-#endif
-
-#if !defined(OFFICIAL_BUILD)
- // Initialize stack dumping just before initializing sandbox to make
- // sure symbol names in all loaded libraries will be cached.
- base::debug::EnableInProcessStackDumping();
-#endif
-#if defined(OS_LINUX)
- std::unique_ptr<LinuxSandbox> sandbox;
- const base::CommandLine& command_line =
- *base::CommandLine::ForCurrentProcess();
- if (command_line.HasSwitch(switches::kEnableSandbox))
- sandbox = InitializeSandbox();
-#endif
-
- ScopedAppContext app_context;
- callback.Run(GetServiceRequestFromCommandLine());
-}
-
-} // namespace shell
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