Annotation of embedaddon/curl/docs/examples/multi-poll.c, revision 1.1
1.1 ! misho 1: /***************************************************************************
! 2: * _ _ ____ _
! 3: * Project ___| | | | _ \| |
! 4: * / __| | | | |_) | |
! 5: * | (__| |_| | _ <| |___
! 6: * \___|\___/|_| \_\_____|
! 7: *
! 8: * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
! 9: *
! 10: * This software is licensed as described in the file COPYING, which
! 11: * you should have received as part of this distribution. The terms
! 12: * are also available at https://curl.haxx.se/docs/copyright.html.
! 13: *
! 14: * You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 15: * copies of the Software, and permit persons to whom the Software is
! 16: * furnished to do so, under the terms of the COPYING file.
! 17: *
! 18: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 19: * KIND, either express or implied.
! 20: *
! 21: ***************************************************************************/
! 22: /* <DESC>
! 23: * single download with the multi interface's curl_multi_poll
! 24: * </DESC>
! 25: */
! 26:
! 27: #include <stdio.h>
! 28: #include <string.h>
! 29:
! 30: /* somewhat unix-specific */
! 31: #include <sys/time.h>
! 32: #include <unistd.h>
! 33:
! 34: /* curl stuff */
! 35: #include <curl/curl.h>
! 36:
! 37: int main(void)
! 38: {
! 39: CURL *http_handle;
! 40: CURLM *multi_handle;
! 41: int still_running = 1; /* keep number of running handles */
! 42:
! 43: curl_global_init(CURL_GLOBAL_DEFAULT);
! 44:
! 45: http_handle = curl_easy_init();
! 46:
! 47: curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
! 48:
! 49: multi_handle = curl_multi_init();
! 50:
! 51: curl_multi_add_handle(multi_handle, http_handle);
! 52:
! 53: while(still_running) {
! 54: CURLMcode mc; /* curl_multi_poll() return code */
! 55: int numfds;
! 56:
! 57: /* we start some action by calling perform right away */
! 58: mc = curl_multi_perform(multi_handle, &still_running);
! 59:
! 60: if(still_running)
! 61: /* wait for activity, timeout or "nothing" */
! 62: mc = curl_multi_poll(multi_handle, NULL, 0, 1000, &numfds);
! 63:
! 64: if(mc != CURLM_OK) {
! 65: fprintf(stderr, "curl_multi_wait() failed, code %d.\n", mc);
! 66: break;
! 67: }
! 68: }
! 69:
! 70: curl_multi_remove_handle(multi_handle, http_handle);
! 71: curl_easy_cleanup(http_handle);
! 72: curl_multi_cleanup(multi_handle);
! 73: curl_global_cleanup();
! 74:
! 75: return 0;
! 76: }
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