| 1 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && %run %t |
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| 2 | |
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| 3 | // Regression test for a deadlock in pthread_getattr_np |
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| 4 | |
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| 5 | #include <assert.h> |
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| 6 | #include <pthread.h> |
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| 7 | #if defined(__FreeBSD__) |
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| 8 | #include <pthread_np.h> |
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| 9 | #endif |
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| 10 | |
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| 11 | void *ThreadFn(void *) { |
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| 12 | pthread_attr_t attr; |
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| 13 | #if defined(__FreeBSD__) |
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| 14 | // On FreeBSD it needs to allocate attr underlying memory |
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| 15 | int res = pthread_attr_init(&attr); |
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| 16 | assert(!res); |
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| 17 | res = pthread_attr_get_np(pthread_self(), &attr); |
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| 18 | #else |
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| 19 | int res = pthread_getattr_np(th: pthread_self(), attr: &attr); |
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| 20 | #endif |
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| 21 | assert(!res); |
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| 22 | return 0; |
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| 23 | } |
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| 24 | |
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| 25 | int main(void) { |
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| 26 | pthread_t t; |
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| 27 | int res = pthread_create(newthread: &t, attr: 0, start_routine: ThreadFn, arg: 0); |
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| 28 | assert(!res); |
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| 29 | res = pthread_join(th: t, thread_return: 0); |
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| 30 | assert(!res); |
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| 31 | return 0; |
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| 32 | } |
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| 33 | |
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