K 10
svn:author
V 8
rmacklem
K 8
svn:date
V 27
2011-12-10T23:57:32.171675Z
K 7
svn:log
V 583
Modify the TCP RPC client code to handle the backchannel. The main
change is to recognize the case of an RPC request (CALL) message
in the receive upcall and marshalling it to the server via the
xprt structure in ct_backchannelxprt. The locking is:
- ct_lock protects the ct_backchannelxprt field along with other ct_data
  fields and is held during most of the backchannel changes.
- xp_lock protects the fields inside the xprt structure and must be
  held when the structure is being released in clnt_vc_destroy().
The ct_request and ct_data structures are now defined in _krpc.h.

END