| 1 | // RUN: %clangxx_tsan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s |
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| 2 | #include "test.h" |
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| 3 | |
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| 4 | const int kThreads = 16; |
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| 5 | const int kIters = 1000; |
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| 6 | |
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| 7 | volatile int X = 0; |
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| 8 | |
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| 9 | void *thr(void *arg) { |
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| 10 | for (int i = 0; i < kIters; i++) |
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| 11 | X++; |
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| 12 | return 0; |
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| 13 | } |
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| 14 | |
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| 15 | int main() { |
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| 16 | pthread_t th[kThreads]; |
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| 17 | for (int i = 0; i < kThreads; i++) |
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| 18 | pthread_create(newthread: &th[i], attr: 0, start_routine: thr, arg: 0); |
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| 19 | for (int i = 0; i < kThreads; i++) |
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| 20 | pthread_join(th: th[i], thread_return: 0); |
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| 21 | fprintf(stderr, format: "DONE\n" ); |
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| 22 | } |
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| 23 | |
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| 24 | // CHECK: ThreadSanitizer: data race |
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| 25 | // CHECK: DONE |
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| 26 | |
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