NAME

       CURLSHOPT_USERDATA - pointer passed to the lock and unlock mutex callbacks

SYNOPSIS

       #include <curl/curl.h>

       CURLSHcode curl_share_setopt(CURLSH *share, CURLSHOPT_USERDATA, void *clientp);

DESCRIPTION

       The clientp parameter is held verbatim by libcurl and is passed on as the clientp argument
       to the callbacks set with CURLSHOPT_LOCKFUNC(3) and CURLSHOPT_UNLOCKFUNC(3).

PROTOCOLS

       This functionality affects all supported protocols

EXAMPLE

       struct secrets {
         void *custom;
       };

       int main(void)
       {
         CURLSHcode sh;
         struct secrets private_stuff;
         CURLSH *share = curl_share_init();
         sh = curl_share_setopt(share, CURLSHOPT_USERDATA, &private_stuff);
         if(sh)
           printf("Error: %s\n", curl_share_strerror(sh));
       }

AVAILABILITY

       Added in curl 7.10.3

RETURN VALUE

       CURLSHE_OK (zero) means that  the  option  was  set  properly,  non-zero  means  an  error
       occurred. See libcurl-errors(3) for the full list with descriptions.

SEE ALSO

       CURLSHOPT_LOCKFUNC(3), curl_share_cleanup(3), curl_share_init(3), curl_share_setopt(3)