1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "lt_clock_test.h"
32
ThreadFuncTest(void * arg)33 static void *ThreadFuncTest(void *arg)
34 {
35 printf("Subthread starting infinite loop\n");
36 while (1) {
37 pthread_testcancel();
38 }
39 }
40
ThreadClock(const char * msg,clockid_t cid)41 static int ThreadClock(const char *msg, clockid_t cid)
42 {
43 struct timespec ts;
44 int ret;
45
46 printf("%s", msg);
47 ret = clock_gettime(cid, &ts);
48 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
49
50 printf("%lld.%03ld s\n", ts.tv_sec, ts.tv_nsec / 1000000); // 1000000, 1ms.
51 return 0;
52 }
53
ClockTest(void)54 static int ClockTest(void)
55 {
56 pthread_t thread;
57 clockid_t clockid;
58 int ret;
59 struct timespec ts;
60
61 ret = pthread_create(&thread, NULL, ThreadFuncTest, 0);
62 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
63
64 printf("Main thread sleeping\n");
65 sleep(1);
66
67 printf("Main thread consuming some CPU time...\n");
68 usleep(400000); // 400000 delay for test
69
70 /* get current pthread clockid */
71 ret = pthread_getcpuclockid(pthread_self(), &clockid);
72 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
73
74 ret = ThreadClock("Main thread CPU time: ", clockid);
75 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
76
77 /* get create pthread clockid */
78 ret = pthread_getcpuclockid(thread, &clockid);
79 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
80
81 ret = ThreadClock("Subthread CPU time: ", clockid);
82 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
83
84 ret = pthread_cancel(thread);
85 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
86
87 return 0;
88 }
89
ClockTest002(void)90 void ClockTest002(void)
91 {
92 TEST_ADD_CASE(__FUNCTION__, ClockTest, TEST_POSIX, TEST_TIMES, TEST_LEVEL0, TEST_FUNCTION);
93 }
94