=pod
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=head1 NAME
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SSL_session_reused - query whether a reused session was negotiated during handshake
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_session_reused(const SSL *ssl);
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=head1 DESCRIPTION
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Query, whether a reused session was negotiated during the handshake.
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=head1 NOTES
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During the negotiation, a client can propose to reuse a session. The server
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then looks up the session in its cache. If both client and server agree
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on the session, it will be reused and a flag is being set that can be
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queried by the application.
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=head1 RETURN VALUES
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The following return values can occur:
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=over 4
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=item Z<>0
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A new session was negotiated.
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=item Z<>1
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A session was reused.
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=back
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=head1 SEE ALSO
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L<ssl(7)>, L<SSL_set_session(3)>,
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L<SSL_CTX_set_session_cache_mode(3)>
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=head1 COPYRIGHT
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Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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