req.logf("resc recv: %p, %T/%#v", re.res, re.err, re.err)
		}
		if re.err != nil {
			return nil, pc.mapRoundTripError(req, startBytesWritten, re.err)
		}
		return re.res, nil
	}

	var respHeaderTimer <-chan time.Time
	ctxDoneChan := req.ctx.Done()
	pcClosed := pc.closech
	for {
		testHookWaitResLoop()
		select {
		case err := <-writeErrCh:
			if debugRoundTrip {

			}
		} else {
			cs.sentEndStream = true
		}
	}

	http2traceWroteRequest(cs.trace, err)

	var respHeaderTimer <-chan time.Time
	var respHeaderRecv chan struct{}
	if d := cc.responseHeaderTimeout(); d != 0 {
		timer := cc.t.newTimer(d)
		defer timer.Stop()
		respHeaderTimer = timer.C()
		respHeaderRecv = cs.respHeaderRecv
	}
	// Wait until the peer half-closes its end of the stream,