2
0
mirror of https://codeberg.org/kiss-community/repo synced 2024-12-23 15:50:06 -07:00
repo/core/curl/files/CURLMOPT_SOCKETDATA.3

62 lines
1.5 KiB
Groff
Raw Normal View History

.\" generated by cd2nroff 0.1 from CURLMOPT_SOCKETDATA.md
2024-08-02 19:52:59 -06:00
.TH CURLMOPT_SOCKETDATA 3 "2024-08-02" libcurl
.SH NAME
CURLMOPT_SOCKETDATA \- custom pointer passed to the socket callback
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_SOCKETDATA, void *pointer);
.fi
.SH DESCRIPTION
A data \fIpointer\fP to pass to the socket callback set with the
\fICURLMOPT_SOCKETFUNCTION(3)\fP option.
This pointer is not touched by libcurl but is only passed in as the socket
2024-03-30 12:28:04 -06:00
callback\(aqs \fBclientp\fP argument.
.SH DEFAULT
NULL
.SH PROTOCOLS
2024-07-29 18:00:04 -06:00
This functionality affects all supported protocols
.SH EXAMPLE
.nf
struct priv {
void *ours;
};
static int sock_cb(CURL *e, curl_socket_t s, int what, void *cbp, void *sockp)
{
struct priv *p = sockp;
printf("my ptr: %p\\n", p->ours);
if(what == CURL_POLL_REMOVE) {
/* remove the socket from our collection */
}
if(what & CURL_POLL_IN) {
/* wait for read on this socket */
}
if(what & CURL_POLL_OUT) {
/* wait for write on this socket */
}
return 0;
}
int main(void)
{
struct priv setup;
CURLM *multi = curl_multi_init();
/* ... use socket callback and custom pointer */
curl_multi_setopt(multi, CURLMOPT_SOCKETFUNCTION, sock_cb);
curl_multi_setopt(multi, CURLMOPT_SOCKETDATA, &setup);
}
.fi
.SH AVAILABILITY
2024-07-29 18:00:04 -06:00
Added in curl 7.15.4
.SH RETURN VALUE
Returns CURLM_OK.
.SH SEE ALSO
.BR CURLMOPT_SOCKETFUNCTION (3),
.BR CURLMOPT_TIMERFUNCTION (3),
.BR curl_multi_socket_action (3)