freebsd-nq/test/tsan/tls_race.cc

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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
#include "test.h"
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void *Thread(void *a) {
barrier_wait(&barrier);
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*(int*)a = 43;
return 0;
}
int main() {
barrier_init(&barrier, 2);
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static __thread int Var = 42;
pthread_t t;
pthread_create(&t, 0, Thread, &Var);
Var = 43;
barrier_wait(&barrier);
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pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: data race
// CHECK-Linux: Location is TLS of main thread.
// CHECK-FreeBSD: Location is TLS of main thread.
// CHECK-NetBSD: Location is TLS of main thread.
// CHECK-Darwin: Location is heap block of size 4