On 5/19/2016 17:04, Ben Kelly wrote:
Hi all,

FYI, I've landed a new IPDL type in bug 1093357 called IPCStream.  This is
intended to make it easier to serialize nsIInputStreams across IPC.

In short, IPCStream:

1) Supports our existing serializable nsInputStreams.
2) Also automatically handles send file descriptors using the
PFileDescriptorSet actor
3) Supports async pipe streams using a new PSendStream actor from
*child-to-parent*.  I have plans to add support for parent-to-child, but I
don't have a consumer yet

And I do! :) Actually any parent necko channel, mainly HTTP, which sends data to the child process. We also have bug 1110596 which complains about too much memory copying in that code.
Could your IPCStream be used for that?

-hb-

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