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150
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1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
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2 #include "test.h"
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3
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4 // OS X doesn't have pthread_setname_np(tid, name).
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5 // UNSUPPORTED: darwin
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6
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7 #if defined(__FreeBSD__)
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8 #include <pthread_np.h>
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9 #define tsan_pthread_setname_np pthread_set_name_np
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10 #elif defined(__NetBSD__)
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11 #define tsan_pthread_setname_np(a, b) pthread_setname_np((a), "%s", (void *)(b))
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12 #else
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13 #define tsan_pthread_setname_np pthread_setname_np
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14 #endif
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15
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16 long long Global;
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17
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18 void *Thread1(void *x) {
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19 barrier_wait(&barrier);
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20 Global++;
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21 return 0;
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22 }
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23
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24 void *Thread2(void *x) {
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25 tsan_pthread_setname_np(pthread_self(), "foobar2");
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26 Global--;
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27 barrier_wait(&barrier);
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28 return 0;
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29 }
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30
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31 int main() {
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32 barrier_init(&barrier, 3);
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33 pthread_t t[2];
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34 pthread_create(&t[0], 0, Thread1, 0);
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35 pthread_create(&t[1], 0, Thread2, 0);
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36 tsan_pthread_setname_np(t[0], "foobar1");
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37 barrier_wait(&barrier);
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38 pthread_join(t[0], NULL);
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39 pthread_join(t[1], NULL);
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40 }
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41
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42 // CHECK: WARNING: ThreadSanitizer: data race
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43 // CHECK: Thread T1 'foobar1'
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44 // CHECK: Thread T2 'foobar2'
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