| =pod |
| |
| =head1 NAME |
| |
| SSL_free - free an allocated SSL structure |
| |
| =head1 SYNOPSIS |
| |
| #include <openssl/ssl.h> |
| |
| void SSL_free(SSL *ssl); |
| |
| =head1 DESCRIPTION |
| |
| SSL_free() decrements the reference count of B<ssl>, and removes the SSL |
| structure pointed to by B<ssl> and frees up the allocated memory if the |
| reference count has reached 0. |
| If B<ssl> is NULL nothing is done. |
| |
| =head1 NOTES |
| |
| SSL_free() also calls the free()ing procedures for indirectly affected items, if |
| applicable: the buffering BIO, the read and write BIOs, |
| cipher lists specially created for this B<ssl>, the B<SSL_SESSION>. |
| Do not explicitly free these indirectly freed up items before or after |
| calling SSL_free(), as trying to free things twice may lead to program |
| failure. |
| |
| The ssl session has reference counts from two users: the SSL object, for |
| which the reference count is removed by SSL_free() and the internal |
| session cache. If the session is considered bad, because |
| L<SSL_shutdown(3)> was not called for the connection |
| and L<SSL_set_shutdown(3)> was not used to set the |
| SSL_SENT_SHUTDOWN state, the session will also be removed |
| from the session cache as required by RFC2246. |
| |
| =head1 RETURN VALUES |
| |
| SSL_free() does not provide diagnostic information. |
| |
| L<SSL_new(3)>, L<SSL_clear(3)>, |
| L<SSL_shutdown(3)>, L<SSL_set_shutdown(3)>, |
| L<ssl(7)> |
| |
| =head1 COPYRIGHT |
| |
| Copyright 2000-2016 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 |
