ipc/mojo/ipc_mojo_handle_attachment.cc

   1 // Copyright (c) 2015 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 "ipc/mojo/ipc_mojo_handle_attachment.h"
   6
   7 #include "ipc/ipc_message_attachment_set.h"
   8 #include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
   9
  10 namespace IPC {
  11 namespace internal {
  12
  13 MojoHandleAttachment::MojoHandleAttachment(mojo::ScopedHandle handle)
  14     : handle_(handle.Pass()) {
  15 }
  16
  17 MojoHandleAttachment::~MojoHandleAttachment() {
  18 }
  19
  20 MessageAttachment::Type MojoHandleAttachment::GetType() const {
  21   return TYPE_MOJO_HANDLE;
  22 }
  23
  24 #if defined(OS_POSIX)
  25 base::PlatformFile MojoHandleAttachment::TakePlatformFile() {
  26   mojo::embedder::ScopedPlatformHandle platform_handle;
  27   MojoResult unwrap_result = mojo::embedder::PassWrappedPlatformHandle(
  28       handle_.get().value(), &platform_handle);
  29   handle_.reset();
  30   if (unwrap_result != MOJO_RESULT_OK) {
  31     LOG(ERROR) << "Pipe failed to covert handles. Closing: " << unwrap_result;
  32     return -1;
  33   }
  34
  35   return platform_handle.release().fd;
  36 }
  37 #endif  // OS_POSIX
  38
  39 mojo::ScopedHandle MojoHandleAttachment::TakeHandle() {
  40   return handle_.Pass();
  41 }
  42
  43 }  // namespace internal
  44 }  // namespace IPC