xref: /curl/tests/libtest/lib1564.c (revision 25cbc2f7)
1 /***************************************************************************
2  *                                  _   _ ____  _
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4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 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  * SPDX-License-Identifier: curl
22  *
23  ***************************************************************************/
24 #include "test.h"
25 
26 #include "testutil.h"
27 #include "warnless.h"
28 #include "memdebug.h"
29 
30 #define TEST_HANG_TIMEOUT 60 * 1000
31 #define WAKEUP_NUM 10
32 
test(char * URL)33 CURLcode test(char *URL)
34 {
35   CURLM *multi = NULL;
36   int numfds;
37   int i;
38   CURLcode res = CURLE_OK;
39   struct timeval time_before_wait, time_after_wait;
40 
41   (void)URL;
42 
43   start_test_timing();
44 
45   global_init(CURL_GLOBAL_ALL);
46 
47   multi_init(multi);
48 
49   /* no wakeup */
50 
51   time_before_wait = tutil_tvnow();
52   multi_poll(multi, NULL, 0, 1000, &numfds);
53   time_after_wait = tutil_tvnow();
54 
55   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
56     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
57             __FILE__, __LINE__);
58     res = TEST_ERR_MAJOR_BAD;
59     goto test_cleanup;
60   }
61 
62   abort_on_test_timeout();
63 
64   /* try a single wakeup */
65 
66   res_multi_wakeup(multi);
67 
68   time_before_wait = tutil_tvnow();
69   multi_poll(multi, NULL, 0, 1000, &numfds);
70   time_after_wait = tutil_tvnow();
71 
72   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
73     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
74             __FILE__, __LINE__);
75     res = TEST_ERR_MAJOR_BAD;
76     goto test_cleanup;
77   }
78 
79   abort_on_test_timeout();
80 
81   /* previous wakeup should not wake up this */
82 
83   time_before_wait = tutil_tvnow();
84   multi_poll(multi, NULL, 0, 1000, &numfds);
85   time_after_wait = tutil_tvnow();
86 
87   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
88     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
89             __FILE__, __LINE__);
90     res = TEST_ERR_MAJOR_BAD;
91     goto test_cleanup;
92   }
93 
94   abort_on_test_timeout();
95 
96   /* try lots of wakeup */
97 
98   for(i = 0; i < WAKEUP_NUM; ++i)
99     res_multi_wakeup(multi);
100 
101   time_before_wait = tutil_tvnow();
102   multi_poll(multi, NULL, 0, 1000, &numfds);
103   time_after_wait = tutil_tvnow();
104 
105   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
106     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
107             __FILE__, __LINE__);
108     res = TEST_ERR_MAJOR_BAD;
109     goto test_cleanup;
110   }
111 
112   abort_on_test_timeout();
113 
114   /* Even lots of previous wakeups should not wake up this. */
115 
116   time_before_wait = tutil_tvnow();
117   multi_poll(multi, NULL, 0, 1000, &numfds);
118   time_after_wait = tutil_tvnow();
119 
120   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
121     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
122             __FILE__, __LINE__);
123     res = TEST_ERR_MAJOR_BAD;
124     goto test_cleanup;
125   }
126 
127   abort_on_test_timeout();
128 
129 test_cleanup:
130 
131   curl_multi_cleanup(multi);
132   curl_global_cleanup();
133 
134   return res;
135 }
136