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CURLMOPT_SOCKETDATA(3)	   curl_multi_setopt options	CURLMOPT_SOCKETDATA(3)

NAME
       CURLMOPT_SOCKETDATA - custom pointer passed to the socket callback

SYNOPSIS
       #include	<curl/curl.h>

       CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_SOCKETDATA, void *pointer);

DESCRIPTION
       A  data	pointer	 to  pass  to  the  socket callback set	with the CURL-
       MOPT_SOCKETFUNCTION(3) option.

       This pointer will not be	touched	by libcurl but will only be passed  in
       to the socket callbacks's userp argument.

DEFAULT
       NULL

PROTOCOLS
       All

EXAMPLE
       static int sock_cb(CURL *e, curl_socket_t s, int	what, void *cbp, void *sockp)
       {
	 GlobalInfo *g = (GlobalInfo*) cbp;
	 SockInfo *fdp = (SockInfo*) sockp;

	 if(what == CURL_POLL_REMOVE) {
	   remsock(fdp);
	 }
	 else {
	   if(!fdp) {
	     addsock(s,	e, what, g);
	   }
	   else	{
	     setsock(fdp, s, e,	what, g);
	   }
	 }
	 return	0;
       }

       main()
       {
	 GlobalInfo setup;
	 /* ...	use socket callback and	custom pointer */
	 curl_multi_setopt(multi, CURLMOPT_SOCKETFUNCTION, sock_cb);
	 curl_multi_setopt(multi, CURLMOPT_SOCKETDATA, &setup);
       }

AVAILABILITY
       Added in	7.15.4

RETURN VALUE
       Returns CURLM_OK.

SEE ALSO
       CURLMOPT_SOCKETFUNCTION(3),	curl_multi_socket_action(3),	 CURL-
       MOPT_TIMERFUNCTION(3)

libcurl	7.74.0		       November	04, 2020	CURLMOPT_SOCKETDATA(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO

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