/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
// Copyright (c) 2009 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 "chrome/common/child_thread.h"

#include "chrome/common/child_process.h"
#include "mozilla/ipc/NodeController.h"

ChildThread::ChildThread(Thread::Options options, base::ProcessId parent_pid)
    : Thread("IPC I/O Child"),
      owner_loop_(MessageLoop::current()),
      options_(options),
      parent_pid_(parent_pid) {
  DCHECK(owner_loop_);
}

ChildThread::~ChildThread() = default;

bool ChildThread::Run() {
  bool r = StartWithOptions(options_);
  return r;
}

ChildThread* ChildThread::current() {
  return ChildProcess::current()->child_thread();
}

void ChildThread::Init() {
  // Take ownership of the client channel handle which we inherited, and use it
  // to start the initial IPC connection to the parent process.
  IPC::Channel::ChannelHandle client_handle(
      IPC::Channel::GetClientChannelHandle());
  auto channel = mozilla::MakeUnique<IPC::Channel>(
      std::move(client_handle), IPC::Channel::MODE_CLIENT, parent_pid_);
#if defined(XP_WIN)
  channel->StartAcceptingHandles(IPC::Channel::MODE_CLIENT);
#elif defined(XP_DARWIN)
  channel->StartAcceptingMachPorts(IPC::Channel::MODE_CLIENT);
#endif

  initial_port_ = mozilla::ipc::NodeController::InitChildProcess(
      std::move(channel), parent_pid_);
}

void ChildThread::CleanUp() { mozilla::ipc::NodeController::CleanUp(); }