Question about headerReader.decode()

[iyangsj]

1. headerReader.decode() is not concurrency-safe, but is called by stream.serve() which is running in different goroutines. (serve() -> stream_loop() -> initiate_stream())
2. As I understand it, there is a single zlib stream for all name value pairs in one direction on a connection. headerReader.decompressor should be created using data in first SYN_STREAM stream, but there is no guarantee for this. (The goroutine for first SYN_STREAM may run after goroutine for other SYN_STREAM)