Tells the delegate that the read side of the underlying socket has been closed.
- iOS 9.0+
- macOS 10.11+
- tvOS 9.0+
- watchOS 2.0+
The session containing the stream task that closed reads.
The stream task that closed reads.
This method may be called even if no reads are currently in progress. This method does not indicate that the stream reached end-of-file (EOF), such that no more data can be read.