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150
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1 // RUN: echo "race_top:TopFunction" > %t.supp
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2 // RUN: %clangxx_tsan -O1 %s -o %t
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3 // RUN: %env_tsan_opts=suppressions='%t.supp' %deflake %run %t 2>&1 | FileCheck %s
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4 // RUN: rm %t.supp
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5 #include "test.h"
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6
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7 int Global;
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8
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9 void AnotherFunction(int *p) {
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10 *p = 1;
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11 }
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12
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13 void TopFunction(int *p) {
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14 AnotherFunction(p);
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15 }
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16
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17 void *Thread(void *x) {
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18 barrier_wait(&barrier);
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19 TopFunction(&Global);
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20 return 0;
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21 }
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22
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23 int main() {
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24 barrier_init(&barrier, 2);
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25 pthread_t t;
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26 pthread_create(&t, 0, Thread, 0);
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27 Global--;
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28 barrier_wait(&barrier);
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29 pthread_join(t, 0);
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30 }
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31
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32 // CHECK: WARNING: ThreadSanitizer: data race
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