CURLMINFO_XFERS_RUNNING(3) Library Functions Manual CURLMINFO_XFERS_RUNNING(3)

CURLMINFO_XFERS_RUNNING - Number of easy handles currently running

#include <curl/curl.h>
CURLMcode curl_multi_get_offt(CURLM *handle, CURLMINFO_XFERS_RUNNING,
                              curl_off_t *pvalue);

The number of easy handles currently running, e.g. where the transfer has started but not finished yet.

n/a

This functionality affects all supported protocols

int main(void)
{
  CURLM *m = curl_multi_init();
  curl_off_t value;
  curl_multi_get_offt(m, CURLMINFO_XFERS_RUNNING, &value);
}

Added in curl 8.16.0

curl_multi_get_offt(3) returns a CURLMcode indicating success or error.

CURLM_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3).

CURLMINFO_XFERS_CURRENT(3), CURLMINFO_XFERS_PENDING(3)

2025-09-10 libcurl