QUIC that is not the case. OpenSSL may signal retry as a result of an <a href="../man3/SSL_read_ex.html">SSL_read_ex(3)</a> or <a href="../man3/SSL_write_ex.html">SSL_write_ex(3)</a> (or similar) call which indicates the state of the stream. This is entirely independent of whether the underlying socket needs to retry or not.</p>

<p>To determine whether OpenSSL currently wants to read or write to the underlying socket for a QUIC application we must call the <a href="../man3/SSL_net_read_desired.html">SSL_ne