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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 int fds[2];
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5
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6 void *Thread1(void *x) {
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7 write(fds[1], "a", 1);
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8 barrier_wait(&barrier);
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9 return NULL;
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10 }
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11
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12 void *Thread2(void *x) {
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13 barrier_wait(&barrier);
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14 close(fds[0]);
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15 close(fds[1]);
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16 return NULL;
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17 }
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18
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19 int main() {
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20 barrier_init(&barrier, 2);
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21 pipe(fds);
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22 pthread_t t[2];
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23 pthread_create(&t[0], NULL, Thread1, NULL);
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24 pthread_create(&t[1], NULL, Thread2, NULL);
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25 pthread_join(t[0], NULL);
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26 pthread_join(t[1], NULL);
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27 }
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28
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29 // CHECK: WARNING: ThreadSanitizer: data race
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30 // CHECK: Write of size 8
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31 // CHECK: #0 close
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32 // CHECK: #1 Thread2
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33 // CHECK: Previous read of size 8
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34 // CHECK: #0 write
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35 // CHECK: #1 Thread1
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36
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37
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