CURLOPT_CLOSESOCKETDATA - Man Page
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),
Referenced By
curl_easy_setopt(3), CURLOPT_CLOSESOCKETFUNCTION(3).
January 02, 2023 libcurl 8.0.1 curl_easy_setopt options