tree 6749200ca1665f9ad6c699067f09af0e2b2f6da7
parent 0998e8fa70deef4cb08a54441063d543e235361b
author Gyuho Lee <gyuhox@gmail.com> 1512079111 -0800
committer Menghan Li <menghanl@google.com> 1512426198 -0800

transport: fix race sending RPC status that could lead to a panic (#1687)

WriteStatus can be called concurrently: one by SendMsg,
the other by RecvMsg. Then, closing writes channel
becomes racey without proper locking.

Make transport closing synchronous in such case.