=pod

=head1 NAME

SSL_session_reused - query whether a reused session was negotiated during handshake

=head1 SYNOPSIS

 #include <openssl/ssl.h>

 int SSL_session_reused(const SSL *ssl);

=head1 DESCRIPTION

Query, whether a reused session was negotiated during the handshake.

=head1 NOTES

During the negotiation, a client can propose to reuse a session. The server
then looks up the session in its cache. If both client and server agree
on the session, it will be reused and a flag is being set that can be
queried by the application.

=head1 RETURN VALUES

The following return values can occur:

=over 4

=item Z<>0

A new session was negotiated.

=item Z<>1

A session was reused.

=back

=head1 SEE ALSO

L<ssl(7)>, L<SSL_set_session(3)>,
L<SSL_CTX_set_session_cache_mode(3)>

=head1 COPYRIGHT

Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the "License").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.

=cut