CURLMOPT_TIMERDATA3
Custom pointer to pass to timer callback
Usage
#include <curl/curl.h> CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_TIMERDATA, void *pointer);
Overview
A data pointer to pass to the timer callback set with the CURLMOPT_TIMERFUNCTION(3) option.
This pointer is not touched by libcurl but is only be passed in to the timer callbacks's clientp argument.
Default
NULL
Protocols
All
Examples
struct priv {
void *custom;
};
static int timerfunc(CURLM *multi, long timeout_ms, void *clientp)
{
struct priv *mydata = clientp;
printf("our ptr: %p\n", mydata->custom);
if(timeout_ms) {
/* this is the new single timeout to wait for */
}
else {
/* delete the timeout, nothing to wait for now */
}
}
int main(void)
{
struct priv mydata;
CURLM *multi = curl_multi_init();
curl_multi_setopt(multi, CURLMOPT_TIMERFUNCTION, timerfunc);
curl_multi_setopt(multi, CURLMOPT_TIMERDATA, &mydata);
}
Return value
Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.
Releases
74 releases since OS X 10.10.5; the text changed 13 times.