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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 X = 0;
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5
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207
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6 __attribute__((noinline)) void MySleep() {
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150
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7 sleep(1); // the sleep that must appear in the report
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8 }
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9
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10 void *Thread(void *p) {
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11 barrier_wait(&barrier);
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12 MySleep(); // Assume the main thread has done the write.
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13 X = 42;
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14 return 0;
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15 }
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16
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17 int main() {
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18 barrier_init(&barrier, 2);
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19 pthread_t t;
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20 pthread_create(&t, 0, Thread, 0);
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21 X = 43;
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22 barrier_wait(&barrier);
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23 pthread_join(t, 0);
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24 return 0;
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25 }
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26
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27 // CHECK: WARNING: ThreadSanitizer: data race
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28 // ...
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29 // CHECK: As if synchronized via sleep:
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30 // CHECK-NEXT: #0 sleep
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31 // CHECK-NEXT: #1 MySleep
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32 // CHECK-NEXT: #2 Thread
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