CURLM_CALL_MULTI_PERFORM

CURLM_CALL_MULTI_PERFORM is one of the accepted parameters for curl_multi_strerror parameter #1.

CURLM_CALL_MULTI_PERFORM is one of the return values for:

• curl_multi_errno`
• curl_multi_exec`
• curl_multi_add_handle`
• curl_multi_remove_handle`

CURLM_CALL_MULTI_PERFORM — As of cURL 7.20.0, this constant is not used. Before cURL 7.20.0, this status could be returned by curl_multi_exec when curl_multi_select or a similar function was called before it returned any other constant.

CURLM_CALL_MULTI_PERFORM = -1;