| 1 | // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
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| 2 | |
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| 3 | // on_exit() is not available on Darwin. |
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| 4 | // UNSUPPORTED: darwin |
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| 5 | |
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| 6 | #include "test.h" |
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| 7 | |
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| 8 | volatile long global; |
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| 9 | |
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| 10 | void *thread(void *x) { |
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| 11 | global++; |
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| 12 | barrier_wait(barrier: &barrier); |
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| 13 | return nullptr; |
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| 14 | } |
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| 15 | |
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| 16 | void on_exit_callback(int status, void *arg) { |
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| 17 | fprintf(stderr, format: "on_exit_callback(%d, %lu)\n" , status, (long)arg); |
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| 18 | global++; |
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| 19 | } |
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| 20 | |
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| 21 | int main() { |
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| 22 | on_exit(func: on_exit_callback, arg: (void *)42l); |
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| 23 | barrier_init(barrier: &barrier, count: 2); |
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| 24 | pthread_t th; |
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| 25 | pthread_create(newthread: &th, attr: nullptr, start_routine: thread, arg: nullptr); |
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| 26 | pthread_detach(th: th); |
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| 27 | barrier_wait(barrier: &barrier); |
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| 28 | return 2; |
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| 29 | } |
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| 30 | |
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| 31 | // CHECK: on_exit_callback(2, 42) |
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| 32 | // CHECK: WARNING: ThreadSanitizer: data race |
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| 33 | // CHECK: Write of size 8 |
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| 34 | // CHECK: #0 on_exit_callback |
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| 35 | // CHECK: #1 on_exit_callback_installed_at |
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| 36 | // CHECK: #2 main |
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| 37 | |
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