CURL_LOCK_DATA_SSL_SESSION

CURL_LOCK_DATA_SSL_SESSION is one of the accepted parameters for curl_share_setopt parameter #3.

CURL_LOCK_DATA_SSL_SESSION — Shares/unshares SSL session IDs, reducing the time spent on the SSL handshake when reconnecting to the same server. Note that SSL session IDs are reused within the same handle by default.

CURL_LOCK_DATA_SSL_SESSION = 4;