1 /***************************************************************************
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6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2021, 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.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 #define WAKEUP_NUM 10
30 
test(char * URL)31 int test(char *URL)
32 {
33   CURLM *multi = NULL;
34   int numfds;
35   int i;
36   int res = 0;
37   struct timeval time_before_wait, time_after_wait;
38 
39   (void)URL;
40 
41   start_test_timing();
42 
43   global_init(CURL_GLOBAL_ALL);
44 
45   multi_init(multi);
46 
47   /* no wakeup */
48 
49   time_before_wait = tutil_tvnow();
50   multi_poll(multi, NULL, 0, 1000, &numfds);
51   time_after_wait = tutil_tvnow();
52 
53   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
54     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
55             __FILE__, __LINE__);
56     res = TEST_ERR_MAJOR_BAD;
57     goto test_cleanup;
58   }
59 
60   abort_on_test_timeout();
61 
62   /* try a single wakeup */
63 
64   res_multi_wakeup(multi);
65 
66   time_before_wait = tutil_tvnow();
67   multi_poll(multi, NULL, 0, 1000, &numfds);
68   time_after_wait = tutil_tvnow();
69 
70   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
71     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
72             __FILE__, __LINE__);
73     res = TEST_ERR_MAJOR_BAD;
74     goto test_cleanup;
75   }
76 
77   abort_on_test_timeout();
78 
79   /* previous wakeup should not wake up this */
80 
81   time_before_wait = tutil_tvnow();
82   multi_poll(multi, NULL, 0, 1000, &numfds);
83   time_after_wait = tutil_tvnow();
84 
85   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
86     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
87             __FILE__, __LINE__);
88     res = TEST_ERR_MAJOR_BAD;
89     goto test_cleanup;
90   }
91 
92   abort_on_test_timeout();
93 
94   /* try lots of wakeup */
95 
96   for(i = 0; i < WAKEUP_NUM; ++i)
97     res_multi_wakeup(multi);
98 
99   time_before_wait = tutil_tvnow();
100   multi_poll(multi, NULL, 0, 1000, &numfds);
101   time_after_wait = tutil_tvnow();
102 
103   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
104     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
105             __FILE__, __LINE__);
106     res = TEST_ERR_MAJOR_BAD;
107     goto test_cleanup;
108   }
109 
110   abort_on_test_timeout();
111 
112   /* Even lots of previous wakeups should not wake up this. */
113 
114   time_before_wait = tutil_tvnow();
115   multi_poll(multi, NULL, 0, 1000, &numfds);
116   time_after_wait = tutil_tvnow();
117 
118   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
119     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
120             __FILE__, __LINE__);
121     res = TEST_ERR_MAJOR_BAD;
122     goto test_cleanup;
123   }
124 
125   abort_on_test_timeout();
126 
127 test_cleanup:
128 
129   curl_multi_cleanup(multi);
130   curl_global_cleanup();
131 
132   return res;
133 }
134