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131 .IX Title "SSL_CTX_sess_set_cache_size 3"
132 .TH SSL_CTX_sess_set_cache_size 3 "2007-03-15" "0.9.8e" "OpenSSL"
134 SSL_CTX_sess_set_cache_size, SSL_CTX_sess_get_cache_size \- manipulate session cache size
136 .IX Header "SYNOPSIS"
138 \& #include <openssl/ssl.h>
142 \& long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, long t);
143 \& long SSL_CTX_sess_get_cache_size(SSL_CTX *ctx);
146 .IX Header "DESCRIPTION"
147 \&\fISSL_CTX_sess_set_cache_size()\fR sets the size of the internal session cache
148 of context \fBctx\fR to \fBt\fR.
150 \&\fISSL_CTX_sess_get_cache_size()\fR returns the currently valid session cache size.
153 The internal session cache size is \s-1SSL_SESSION_CACHE_MAX_SIZE_DEFAULT\s0,
154 currently 1024*20, so that up to 20000 sessions can be held. This size
155 can be modified using the \fISSL_CTX_sess_set_cache_size()\fR call. A special
156 case is the size 0, which is used for unlimited size.
158 When the maximum number of sessions is reached, no more new sessions are
159 added to the cache. New space may be added by calling
160 \&\fISSL_CTX_flush_sessions\fR\|(3) to remove
163 If the size of the session cache is reduced and more sessions are already
164 in the session cache, old session will be removed at the next time a
165 session shall be added. This removal is not synchronized with the
166 expiration of sessions.
168 .IX Header "RETURN VALUES"
169 \&\fISSL_CTX_sess_set_cache_size()\fR returns the previously valid size.
171 \&\fISSL_CTX_sess_get_cache_size()\fR returns the currently valid size.
173 .IX Header "SEE ALSO"
175 \&\fISSL_CTX_set_session_cache_mode\fR\|(3),
176 \&\fISSL_CTX_sess_number\fR\|(3),
177 \&\fISSL_CTX_flush_sessions\fR\|(3)