| 1 | // RUN: %clangxx_tsan %darwin_min_target_with_tls_support -O1 %s -o %t && \ |
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| 2 | // RUN: %deflake %run %t | \ |
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| 3 | // RUN: FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
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| 4 | #include "test.h" |
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| 5 | |
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| 6 | void *Thread2(void *a) { |
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| 7 | barrier_wait(barrier: &barrier); |
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| 8 | *(int*)a = 43; |
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| 9 | return 0; |
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| 10 | } |
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| 11 | |
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| 12 | void *Thread(void *a) { |
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| 13 | static __thread int Var = 42; |
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| 14 | pthread_t t; |
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| 15 | pthread_create(newthread: &t, attr: 0, start_routine: Thread2, arg: &Var); |
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| 16 | Var = 42; |
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| 17 | barrier_wait(barrier: &barrier); |
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| 18 | pthread_join(th: t, thread_return: 0); |
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| 19 | return 0; |
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| 20 | } |
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| 21 | |
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| 22 | int main() { |
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| 23 | barrier_init(barrier: &barrier, count: 2); |
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| 24 | pthread_t t; |
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| 25 | pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: 0); |
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| 26 | pthread_join(th: t, thread_return: 0); |
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| 27 | fprintf(stderr, format: "DONE\n" ); |
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| 28 | return 0; |
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| 29 | } |
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| 30 | |
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| 31 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 32 | // CHECK-Linux: Location is TLS of thread T1. |
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| 33 | // CHECK-FreeBSD: Location is TLS of thread T1. |
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| 34 | // CHECK-NetBSD: Location is TLS of thread T1. |
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| 35 | // CHECK-Darwin: Location is heap block of size 4 |
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| 36 | // CHECK: DONE |
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| 37 | |
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