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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2011, 2017, Daniel Stenberg, <daniel (at) 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 #include "test.h"
     23 
     24 #include "testutil.h"
     25 #include "warnless.h"
     26 #include "memdebug.h"
     27 
     28 #define TEST_HANG_TIMEOUT 60 * 1000
     29 
     30 /*
     31  * Get a single URL without select().
     32  */
     33 
     34 int test(char *URL)
     35 {
     36   CURL *c = NULL;
     37   CURLM *m = NULL;
     38   int res = 0;
     39   int running;
     40 
     41   start_test_timing();
     42 
     43   global_init(CURL_GLOBAL_ALL);
     44 
     45   easy_init(c);
     46 
     47   easy_setopt(c, CURLOPT_URL, URL);
     48 
     49   multi_init(m);
     50 
     51   multi_add_handle(m, c);
     52 
     53   for(;;) {
     54     struct timeval timeout;
     55     fd_set fdread, fdwrite, fdexcep;
     56     int maxfd = -99;
     57 
     58     timeout.tv_sec = 0;
     59     timeout.tv_usec = 100000L; /* 100 ms */
     60 
     61     multi_perform(m, &running);
     62 
     63     abort_on_test_timeout();
     64 
     65     if(!running)
     66       break; /* done */
     67 
     68     FD_ZERO(&fdread);
     69     FD_ZERO(&fdwrite);
     70     FD_ZERO(&fdexcep);
     71 
     72     multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
     73 
     74     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
     75 
     76     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
     77 
     78     abort_on_test_timeout();
     79   }
     80 
     81 test_cleanup:
     82 
     83   /* proper cleanup sequence - type PA */
     84 
     85   curl_multi_remove_handle(m, c);
     86   curl_multi_cleanup(m);
     87   curl_easy_cleanup(c);
     88   curl_global_cleanup();
     89 
     90   return res;
     91 }
     92 
     93