CURLOPT_CLOSESOCKETFUNCTION(3) curl_easy_setopt options CURLOPT_CLOSESOCKETFUNCTION(3)NAME
CURLOPT_CLOSESOCKETFUNCTION - callback to socket close replacement function
SYNOPSIS
#include <curl/curl.h>
int closesocket_callback(void *clientp, curl_socket_t item);
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CLOSESOCKETFUNCTION, closesocket_callback);
DESCRIPTION
Pass a pointer to your callback function, which should match the prototype shown above.
This callback function gets called by libcurl instead of the close(3) or closesocket(3) call when sockets are closed (not for any other
file descriptors). This is pretty much the reverse to the CURLOPT_OPENSOCKETFUNCTION(3) option. Return 0 to signal success and 1 if there
was an error.
The clientp pointer is set with CURLOPT_CLOSESOCKETDATA(3). item is the socket libcurl wants to be closed.
DEFAULT
By default libcurl uses the standard socket close function.
PROTOCOLS
All
EXAMPLE
TODO
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_CLOSESOCKETDATA(3), CURLOPT_OPENSOCKETFUNCTION(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_CLOSESOCKETFUNCTION(3)
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CURLINFO_ACTIVESOCKET(3) curl_easy_getinfo options CURLINFO_ACTIVESOCKET(3)NAME
CURLINFO_ACTIVESOCKET - get the active socket
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_ACTIVESOCKET,
curl_socket_t *socket);
DESCRIPTION
Pass a pointer to a curl_socket_t to receive the active socket used by this curl session. If the socket is no longer valid, CURL_SOCKET_BAD
is returned. When you finish working with the socket, you must call curl_easy_cleanup(3) as usual on the easy handle and let libcurl close
the socket and cleanup other resources associated with the handle. This is typically used in combination with CURLOPT_CONNECT_ONLY(3).
This option was added as a replacement for CURLINFO_LASTSOCKET(3) since that one isn't working on all platforms.
PROTOCOLS
All
EXAMPLE
TODO
AVAILABILITY
Added in 7.45.0
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO curl_easy_getinfo(3), curl_easy_setopt(3), CURLINFO_LASTSOCKET(3),
libcurl 7.54.0 February 03, 2016 CURLINFO_ACTIVESOCKET(3)
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