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1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
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2 #include "test.h"
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3
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4 void *Thread(void *a) {
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5 barrier_wait(&barrier);
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6 *(int*)a = 43;
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7 return 0;
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8 }
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9
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10 int main() {
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11 barrier_init(&barrier, 2);
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12 static __thread int Var = 42;
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13 pthread_t t;
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14 pthread_create(&t, 0, Thread, &Var);
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15 Var = 43;
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16 barrier_wait(&barrier);
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17 pthread_join(t, 0);
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18 }
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19
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20 // CHECK: WARNING: ThreadSanitizer: data race
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21 // CHECK-Linux: Location is TLS of main thread.
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22 // CHECK-FreeBSD: Location is TLS of main thread.
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23 // CHECK-NetBSD: Location is TLS of main thread.
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24 // CHECK-Darwin: Location is heap block of size 4
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