CURLOPT_CLOSESOCKETDATA explained
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 remains untouched by libcurl and passed as the first argument in the closesocket callback set with CURLOPT_CLOSESOCKETFUNCTION.
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),
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