text: /***************************************************************************
   *                                  _   _ ____  _
   *  Project                     ___| | | |  _ \| |
   *                             / __| | | | |_) | |
   *                            | (__| |_| |  _ <| |___
   *                             \___|\___/|_| \_\_____|
   *
   * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
   *
   * This software is licensed as described in the file COPYING, which
   * you should have received as part of this distribution. The terms
   * are also available at https://curl.haxx.se/docs/copyright.html.
   *
   * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   * copies of the Software, and permit persons to whom the Software is
   * furnished to do so, under the terms of the COPYING file.
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   * KIND, either express or implied.
   *
   ***************************************************************************/
  #include "test.h"
  
  #include "testutil.h"
  #include "warnless.h"
  #include "memdebug.h"
  
  #define TEST_HANG_TIMEOUT 60 * 1000
  
  /*
   * Get a single URL without select().
   */
  
  int test(char* URL)
  {
      CURL* c = NULL;
      CURLM* m = NULL;
      int res = 0;
      int running;
  
      start_test_timing();
  
      global_init(CURL_GLOBAL_ALL);
  
      easy_init(c);
  
      easy_setopt(c, CURLOPT_URL, URL);
  
      multi_init(m);
  
      multi_add_handle(m, c);
  
      for (;;) {
          struct timeval timeout;
          fd_set fdread, fdwrite, fdexcep;
          int maxfd = -99;
  
          timeout.tv_sec = 0;
          timeout.tv_usec = 100000L; /* 100 ms */
  
          multi_perform(m, &running);
  
          abort_on_test_timeout();
  
          if (!running)
              break; /* done */
  
          FD_ZERO(&fdread);
          FD_ZERO(&fdwrite);
          FD_ZERO(&fdexcep);
  
          multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
  
          /* At this point, maxfd is guaranteed to be greater or equal than -1. */
  
          select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
  
          abort_on_test_timeout();
      }
  
  test_cleanup:
  
      /* proper cleanup sequence - type PA */
  
      curl_multi_remove_handle(m, c);
      curl_multi_cleanup(m);
      curl_easy_cleanup(c);
      curl_global_cleanup();
  
      return res;
  }
  