/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

include protocol PChildToParentStream;

include protocol PParentToChildStream;

include BlobTypes;

include InputStreamParams;

include ProtocolTypes;

namespace mozilla {

namespace ipc {

// Do not use this directly.  See IPCStream below.

struct InputStreamParamsWithFds

{

  InputStreamParams stream;

  OptionalFileDescriptorSet optionalFds;

};

union IPCRemoteStreamType

{

  PChildToParentStream;

  PParentToChildStream;

};

struct IPCRemoteStream

{

  // If this is true, the stream will send data only when the first operation

  // is done on the destination side. The benefit of this is that we do not

  // send data if not needed. On the other hand, it could have a performance

  // issue.

  bool delayedStart;

  IPCRemoteStreamType stream;

};

// Use IPCStream or OptionalIPCStream in your ipdl to represent serialized

// nsIInputStreams.  Then use AutoIPCStream from IPCStreamUtils.h to perform

// the serialization.

union IPCStream

{

  InputStreamParamsWithFds;

  IPCRemoteStream;

};

union OptionalIPCStream

{

  IPCStream;

  void_t;

};

} // namespace ipc

} // namespace mozilla