NAME

       CURLOPT_CLOSESOCKETDATA - pointer passed to the socket close callback

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CLOSESOCKETDATA,
                                 void *pointer);

DESCRIPTION

       Pass  a  pointer  that  will  be untouched by libcurl and passed as the first argument in the closesocket
       callback set with CURLOPT_CLOSESOCKETFUNCTION(3).

DEFAULT

       The default value of this parameter is NULL.

PROTOCOLS

       All except file:

EXAMPLE

       static int closesocket(void *clientp, curl_socket_t item)
       {
         printf("libcurl wants to close %d now\n", (int)item);
         return 0;
       }

       /* call this function to close sockets */
       curl_easy_setopt(curl, CURLOPT_CLOSESOCKETFUNCTION, closesocket);
       curl_easy_setopt(curl, CURLOPT_CLOSESOCKETDATA, &sockfd);

AVAILABILITY

       Added in 7.21.7

RETURN VALUE

       Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

SEE ALSO

       CURLOPT_CLOSESOCKETFUNCTION(3), CURLOPT_OPENSOCKETFUNCTION(3),

libcurl 7.81.0                                  November 26, 2021                     CURLOPT_CLOSESOCKETDATA(3)