ass="emphasis" href="./curl_share_setopt.html">curl_share_setopt</a>. 
<p class="level0">Since you can use this share from multiple threads, and libcurl has no internal thread synchronization, you must provide mutex callbacks if you're using this multi-threaded. You set lock and unlock functions with <a Class="emphasis" href="./curl_share_setopt.html">curl_share_setopt</a> too. 
<p class="level0">Then, you make an easy handle to use this share, you set the <span Class="emphasis">CURLOPT_SHARE(3)</span> opti