Sridhar Srinivasan 0ddb6e77b5 add onByteEventRegistered callback ...

Summary:
Add an onByteEventRegistered callback that will be invoked when the
registration for a ByteEvent callback is successful.
This makes it easy for recipients of the callback to track the successful
registration AND callback recipt in a single place (the recipient class). For
example, if all successfully registered ByteEvents have been received, the
recipient can destroy itself safely, knowing that no more ByteEvents will be
sent to it.

Reviewed By: bschlinker

Differential Revision: D27100624

fbshipit-source-id: dbfeff1f4cf2367587fdb73cbd334165b3b159de

2021-03-18 18:13:42 -07:00

133 KiB

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