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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 "it_pthread_test.h"
32 
33 static int g_currThreadPri, g_currThreadPolicy;
34 static volatile int g_pthreadTestCount = 0;
35 static volatile int g_threadTestCount1 = 0;
36 static pthread_spinlock_t g_spinTestLock;
37 
ThreadFunc8(void * arg)38 static void *ThreadFunc8(void *arg)
39 {
40     pthread_t pthread = pthread_self();
41     int ret;
42 
43     ret = pthread_detach(pthread);
44     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
45 
46     ret = pthread_spin_lock(&g_spinTestLock);
47     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
48     g_threadTestCount1++;
49     ret = pthread_spin_unlock(&g_spinTestLock);
50     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
51 
52 EXIT:
53     return NULL;
54 }
55 
ThreadFunc7(void * arg)56 static void *ThreadFunc7(void *arg)
57 {
58     pthread_t pthread = pthread_self();
59     int ret;
60     pthread_attr_t a = { 0 };
61     struct sched_param param = { 0 };
62     pthread_t newPthread;
63     int curThreadPri, curThreadPolicy;
64 
65     ret = pthread_detach(pthread);
66     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
67 
68     ret = pthread_getschedparam(pthread_self(), &curThreadPolicy, &param);
69     ICUNIT_GOTO_EQUAL(ret, 0, -ret, EXIT);
70 
71     curThreadPri = param.sched_priority;
72 
73     ret = pthread_attr_init(&a);
74     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
75     param.sched_priority = curThreadPri;
76     pthread_attr_setschedparam(&a, &param);
77     ret = pthread_create(&newPthread, &a, ThreadFunc8, 0);
78     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
79 
80     ret = pthread_spin_lock(&g_spinTestLock);
81     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
82     g_threadTestCount1++;
83     ret = pthread_spin_unlock(&g_spinTestLock);
84     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
85 
86     sleep(2); // 2, delay
87 EXIT:
88     return NULL;
89 }
90 
ThreadFunc5(void * arg)91 static void *ThreadFunc5(void *arg)
92 {
93     pthread_attr_t a = { 0 };
94     struct sched_param param = { 0 };
95     int ret;
96     void *res = NULL;
97     pthread_t newPthread;
98     int curThreadPri, curThreadPolicy;
99 
100     ret = pthread_detach(pthread_self());
101     ICUNIT_GOTO_EQUAL(ret, EINVAL, ret, EXIT);
102 
103     ret = pthread_getschedparam(pthread_self(), &curThreadPolicy, &param);
104     ICUNIT_GOTO_EQUAL(ret, 0, -ret, EXIT);
105 
106     curThreadPri = param.sched_priority;
107 
108     ret = pthread_attr_init(&a);
109     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
110     param.sched_priority = curThreadPri + 1;
111     pthread_attr_setschedparam(&a, &param);
112     ret = pthread_create(&newPthread, &a, ThreadFunc7, 0);
113     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
114 
115     ret = pthread_join(newPthread, &res);
116     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
117 
118     ret = pthread_spin_lock(&g_spinTestLock);
119     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
120     g_threadTestCount1++;
121     ret = pthread_spin_unlock(&g_spinTestLock);
122     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
123 
124 EXIT:
125     return NULL;
126 }
127 
ThreadFunc6(void * arg)128 static void *ThreadFunc6(void *arg)
129 {
130     pthread_t pthread = pthread_self();
131 
132     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 12, g_pthreadTestCount, EXIT); // 12, here assert the result.
133     g_pthreadTestCount++;                                                // 13
134 
135     return (void *)(uintptr_t)pthread;
136 
137 EXIT:
138     return NULL;
139 }
140 
ThreadFunc4(void * arg)141 static void *ThreadFunc4(void *arg)
142 {
143     pthread_t pthread = pthread_self();
144     int i = 0;
145     unsigned int ret;
146 
147     ret = pthread_spin_lock(&g_spinTestLock);
148     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
149     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 9, g_pthreadTestCount, EXIT); // 9, here assert the result.
150     g_pthreadTestCount++;                                               // 10
151     ret = pthread_spin_unlock(&g_spinTestLock);
152     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
153 
154     pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
155 
156     while (1) {
157         pthread_testcancel();
158         if (++i == 5) { // 5, in loop 5, set cancel state.
159             pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
160         }
161 
162         if (i == 10) { // 10, in loop 10, cancel pthread.
163             ret = pthread_cancel(pthread);
164         }
165     }
166     return (void *)i;
167 
168 EXIT:
169     return NULL;
170 }
171 
ThreadFunc3(void * arg)172 static void *ThreadFunc3(void *arg)
173 {
174     pthread_t pthread = pthread_self();
175     int i = 0;
176     unsigned int ret;
177 
178     ret = pthread_spin_lock(&g_spinTestLock);
179     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
180     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 6, g_pthreadTestCount, EXIT); // 6, here assert the result.
181     g_pthreadTestCount++;                                               // 7
182     ret = pthread_spin_unlock(&g_spinTestLock);
183     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
184 
185     pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
186 
187     while (1) {
188         pthread_testcancel();
189         if (++i == 5) { // 5, in loop 5, set cancel state.
190             pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
191         }
192 
193         if (i == 10) { // 10, in loop 10, cancel pthread.
194             ret = pthread_cancel(pthread);
195         }
196     }
197 
198     ICUNIT_GOTO_EQUAL(i, 10, i, EXIT); // 10, here assert the result.
199     return (void *)i;
200 
201 EXIT:
202     return NULL;
203 }
204 
threadFunc2(void * arg)205 static void *threadFunc2(void *arg)
206 {
207     unsigned int ret;
208 
209     ret = pthread_spin_lock(&g_spinTestLock);
210     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
211     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 3, g_pthreadTestCount, EXIT); // 3, here assert the result.
212     g_pthreadTestCount++;
213     ret = pthread_spin_unlock(&g_spinTestLock);
214     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
215 
216     ret = pthread_join(pthread_self(), 0);
217     ICUNIT_GOTO_EQUAL(ret, EINVAL, ret, EXIT);
218 
219     ret = pthread_detach(pthread_self());
220     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
221 
222 EXIT:
223     return NULL;
224 }
225 
threadFunc(void * arg)226 static void *threadFunc(void *arg)
227 {
228     unsigned int ret;
229     void *res = NULL;
230     pthread_attr_t a = { 0 };
231     pthread_t newPthread;
232     struct sched_param param = { 0 };
233 
234     ret = pthread_spin_lock(&g_spinTestLock);
235     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
236     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 2, g_pthreadTestCount, EXIT); // 2, here assert the result.
237     g_pthreadTestCount++;
238     ret = pthread_spin_unlock(&g_spinTestLock);
239     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
240 
241     ret = pthread_attr_init(&a);
242     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
243     param.sched_priority = g_currThreadPri;
244     pthread_attr_setschedparam(&a, &param);
245     ret = pthread_create(&newPthread, &a, threadFunc2, 0);
246     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
247 
248     ret = pthread_spin_lock(&g_spinTestLock);
249     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
250     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 4, g_pthreadTestCount, EXIT); // 4, here assert the result.
251     g_pthreadTestCount++;                                               // 5
252     ret = pthread_spin_unlock(&g_spinTestLock);
253     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
254 
255     ret = pthread_attr_init(&a);
256     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
257     param.sched_priority = g_currThreadPri + 2; // 2, adjust priority.
258     pthread_attr_setschedparam(&a, &param);
259     ret = pthread_create(&newPthread, &a, ThreadFunc3, 0);
260     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
261 
262     ret = pthread_spin_lock(&g_spinTestLock);
263     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
264     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 5, g_pthreadTestCount, EXIT); // 5, here assert the result.
265     g_pthreadTestCount++;                                               // 6
266     ret = pthread_spin_unlock(&g_spinTestLock);
267     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
268 
269     ret = pthread_join(newPthread, &res);
270     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
271 
272     ret = pthread_spin_lock(&g_spinTestLock);
273     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
274     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 7, g_pthreadTestCount, EXIT); // 7, here assert the result.
275     g_pthreadTestCount++;                                               // 8
276     ret = pthread_spin_unlock(&g_spinTestLock);
277     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
278 
279     ret = pthread_attr_init(&a);
280     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
281     param.sched_priority = g_currThreadPri + 3; // 3, adjust priority.
282     pthread_attr_setschedparam(&a, &param);
283     ret = pthread_create(&newPthread, &a, ThreadFunc4, 0);
284     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
285 
286     ret = pthread_spin_lock(&g_spinTestLock);
287     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
288     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 8, g_pthreadTestCount, EXIT); // 8, here assert the result.
289     g_pthreadTestCount++;                                               // 9
290     ret = pthread_spin_unlock(&g_spinTestLock);
291     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
292 
293     ret = pthread_join(newPthread, &res);
294     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
295 
296     ret = pthread_spin_lock(&g_spinTestLock);
297     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
298     ICUNIT_GOTO_EQUAL(g_pthreadTestCount, 10, g_pthreadTestCount, EXIT); // 10, here assert the result.
299     g_pthreadTestCount++;                                                // 11
300     ret = pthread_spin_unlock(&g_spinTestLock);
301     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
302 
303 EXIT:
304     return NULL;
305 }
306 
PthreadTest004()307 int PthreadTest004()
308 {
309     int exitCount = 0;
310     struct sched_param param = { 0 };
311     int ret;
312     void *res = NULL;
313     pthread_attr_t a = { 0 };
314     pthread_t newPthread, newPthread1;
315     const int testCount = 5;
316     int count = 5;
317     pthread_spin_init(&g_spinTestLock, 0);
318 
319     g_threadTestCount1 = 0;
320     g_pthreadTestCount = 0;
321 
322     ret = pthread_getschedparam(pthread_self(), &g_currThreadPolicy, &param);
323     ICUNIT_ASSERT_EQUAL(ret, 0, -ret);
324 
325     g_currThreadPri = param.sched_priority;
326 
327     g_pthreadTestCount++;
328 
329     ret = pthread_attr_init(&a);
330     pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
331     param.sched_priority = g_currThreadPri + 1;
332     pthread_attr_setschedparam(&a, &param);
333     ret = pthread_create(&newPthread, &a, threadFunc, 0);
334     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
335 
336     ICUNIT_ASSERT_EQUAL(g_pthreadTestCount, 1, g_pthreadTestCount);
337     g_pthreadTestCount++;
338 
339     while (count > 0) {
340         ret = pthread_create(&newPthread1, &a, ThreadFunc5, 0);
341         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
342 
343         ret = pthread_detach(newPthread1);
344         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
345         count--;
346     }
347 
348     g_threadTestCount1++;
349     ICUNIT_ASSERT_EQUAL(g_threadTestCount1, 1, g_threadTestCount1);
350 
351     ret = pthread_join(newPthread, &res);
352     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
353 
354     while (g_threadTestCount1 != (1 + (testCount * 3))) { // 3
355         sleep(2); // 2, delay
356         printf("Wait for the concurrent thread to end \n");
357         exitCount++;
358         if (exitCount > 10) { // wait time > 10 * 2s, cancel wait.
359             break;
360         }
361     }
362 
363     ICUNIT_ASSERT_EQUAL(g_pthreadTestCount, 11, g_pthreadTestCount); // 11, here assert the result.
364     g_pthreadTestCount++;                                            // 12
365 
366     param.sched_priority = g_currThreadPri - 1;
367     pthread_attr_setschedparam(&a, &param);
368     ret = pthread_create(&newPthread1, &a, ThreadFunc6, 0);
369     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
370 
371     ret = pthread_join(newPthread1, &res);
372     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
373 
374     ICUNIT_ASSERT_EQUAL(g_pthreadTestCount, 13, g_pthreadTestCount); // 13, here assert the result.
375     g_pthreadTestCount++;                                            // 14
376 
377     ICUNIT_ASSERT_EQUAL(g_pthreadTestCount, 14, g_pthreadTestCount); // 14, here assert the result.
378 
379     pthread_spin_destroy(&g_spinTestLock);
380 
381     return 0;
382 }
383 
ItTestPthread004(void)384 void ItTestPthread004(void)
385 {
386     TEST_ADD_CASE("IT_POSIX_PTHREAD_004", PthreadTest004, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
387 }
388