=head1 WARNINGS
-If the session id context is not set on an SSL/TLS server, stored sessions
+If the session id context is not set on an SSL/TLS server and client
+certificates are used, stored sessions
will not be reused but a fatal error will be flagged and the handshake
will fail.
=over 4
-=item 0
+=item Z<>0
The length B<sid_ctx_len> of the session id context B<sid_ctx> exceeded
the maximum allowed length of B<SSL_MAX_SSL_SESSION_ID_LENGTH>. The error
is logged to the error stack.
-=item 1
+=item Z<>1
The operation succeeded.