Commits on Nov 7, 2022

1. fix(http2): Fix race condition in client dispatcher (#3041) …

   There exists a race condition in ClientTask::poll() when the request
   that is sent via h2::client::send_request() is pending open. A task will
   be spawned to wait for send capacity on the sendstream. Because this
   same stream is also stored in the pending member of
   h2::client::SendRequest the next iteration of the poll() loop can call
   poll_ready() and call wait_send() on the same stream passed into the
   spawned task.
   
   Fix this by always calling poll_ready() after send_request(). If this
   call to poll_ready() returns Pending save the necessary context in
   ClientTask and only spawn the task that will eventually resolve to the
   response after poll_ready() returns Ok.

   

   jfourie1 authored and seanmonstar committed Nov 7, 2022
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