}
			c.connChange.Wait()
			select {
			case <-ctx.Done():
				c.connChange.L.Unlock()
				return
			default:
			}
		}
		c.connChange.L.Unlock()
		if len(queue) == 0 {
			// Combine writes.
			buf.Reset()
			err := wsw.writeMessage(&buf, c.side, ws.OpBinary, toSend)
			if err != nil {
				gridLogIf(ctx, fmt.Errorf("ws writeMessage: %w", err))
				return
			}
			PutByteBuffer(toSend)