curl_multi_timeout - how long to wait for action before proceeding
#include <curl/curl.h>
CURLMcode curl_multi_timeout(CURLM *multi_handle, long *timeout);
An application using the libcurl multi interface should call curl_multi_timeout(3) to figure out how long it should wait for socket actions - at most - before proceeding.
Proceeding means either doing the socket-style timeout action: call the curl_multi_socket(3) function with the sockfd argument set to CURL_SOCKET_TIMEOUT and the easy argument set to CURL_EASY_TIMEOUT, or simply calling curl_multi_perform(3) if you're using the simpler and older multi interface approach.
The timeout value returned in the long timeout points to, is in number of milliseconds at this very moment. If 0, it means you should proceed immediately without waiting for anything. If it returns -1, there's no timeout at all set.
The standard CURLMcode for multi interface error codes.
Call curl_multi_timeout(3), then wait for action on the sockets. You figure out which sockets to wait for by calling curl_multi_fdset(3) or by a previous call to curl_multi_socket(3).
This function was added in libcurl 7.15.4, although not deemed stable yet.
curl_multi_cleanup (3) curl_multi_init (3) curl_multi_fdset (3) curl_multi_info_read (3) curl_multi_socket (3)
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