1 /*****************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
10 * This is a very simple example using the multi interface.
16 /* somewhat unix-specific */
21 #include <curl/curl.h>
24 * Simply download two HTTP files!
26 int main(int argc, char **argv)
32 int still_running; /* keep number of running handles */
34 http_handle = curl_easy_init();
35 http_handle2 = curl_easy_init();
38 curl_easy_setopt(http_handle, CURLOPT_URL, "http://www.haxx.se/");
41 curl_easy_setopt(http_handle2, CURLOPT_URL, "http://localhost/");
43 /* init a multi stack */
44 multi_handle = curl_multi_init();
46 /* add the individual transfers */
47 curl_multi_add_handle(multi_handle, http_handle);
48 curl_multi_add_handle(multi_handle, http_handle2);
50 /* we start some action by calling perform right away */
51 while(CURLM_CALL_MULTI_PERFORM ==
52 curl_multi_perform(multi_handle, &still_running));
54 while(still_running) {
55 struct timeval timeout;
56 int rc; /* select() return code */
67 /* set a suitable timeout to play around with */
71 /* get file descriptors from the transfers */
72 curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
74 /* In a real-world program you OF COURSE check the return code of the
75 function calls, *and* you make sure that maxfd is bigger than -1 so
76 that the call to select() below makes sense! */
78 rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
86 /* timeout or readable/writable sockets */
87 while(CURLM_CALL_MULTI_PERFORM ==
88 curl_multi_perform(multi_handle, &still_running));
93 curl_multi_cleanup(multi_handle);
95 curl_easy_cleanup(http_handle);
96 curl_easy_cleanup(http_handle2);