ipc/glue/Transport_posix.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_ipc_Transport_posix_h
   8 #define mozilla_ipc_Transport_posix_h 1
   9
  10 #include "ipc/IPCMessageUtils.h"
  11
  12 namespace mozilla {
  13 namespace ipc {
  14
  15 struct TransportDescriptor {
  16   int mFd;
  17 };
  18
  19 }  // namespace ipc
  20 }  // namespace mozilla
  21
  22 namespace IPC {
  23
  24 template <>
  25 struct ParamTraits<mozilla::ipc::TransportDescriptor> {
  26   typedef mozilla::ipc::TransportDescriptor paramType;
  27   static void Write(Message* aMsg, const paramType& aParam) {
  28     WriteParam(aMsg, mozilla::UniqueFileHandle{aParam.mFd});
  29   }
  30   static bool Read(const Message* aMsg, PickleIterator* aIter,
  31                    paramType* aResult) {
  32     mozilla::UniqueFileHandle fd;
  33     if (!ReadParam(aMsg, aIter, &fd)) {
  34       return false;
  35     }
  36     aResult->mFd = fd.release();
  37     return true;
  38   }
  39 };
  40
  41 }  // namespace IPC
  42
  43 #endif  // mozilla_ipc_Transport_posix_h