| 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 | char s[] = "abracadabra" ; |
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| 5 | |
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| 6 | void *Thread0(void *p) { |
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| 7 | fputs(s: s, stdout); |
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| 8 | barrier_wait(barrier: &barrier); |
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| 9 | return 0; |
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| 10 | } |
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| 11 | |
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| 12 | void *Thread1(void *p) { |
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| 13 | barrier_wait(barrier: &barrier); |
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| 14 | s[3] = 'z'; |
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| 15 | return 0; |
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| 16 | } |
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| 17 | |
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| 18 | int main() { |
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| 19 | barrier_init(barrier: &barrier, count: 2); |
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| 20 | pthread_t th[2]; |
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| 21 | pthread_create(newthread: &th[0], attr: 0, start_routine: Thread0, arg: 0); |
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| 22 | pthread_create(newthread: &th[1], attr: 0, start_routine: Thread1, arg: 0); |
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| 23 | pthread_join(th: th[0], thread_return: 0); |
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| 24 | pthread_join(th: th[1], thread_return: 0); |
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| 25 | fprintf(stderr, format: "DONE" ); |
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| 26 | } |
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| 27 | |
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| 28 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 29 | // CHECK: DONE |
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| 30 | |
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