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1 // RUN: %clangxx_tsan -O1 --std=c++11 %s -o %t && %deflake %run %t 2>&1 | FileCheck %s
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2 #include "custom_mutex.h"
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3
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4 #include <type_traits>
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5
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6 // Test that we detect the destruction of an in-use mutex when the
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7 // thread annotations don't otherwise disable the check.
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8
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9 int main() {
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10 std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu1_store;
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11 Mutex* mu1 = reinterpret_cast<Mutex*>(&mu1_store);
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12 new(&mu1_store) Mutex(false, 0);
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13 mu1->Lock();
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14 mu1->~Mutex();
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15 mu1->Unlock();
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16
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17 std::aligned_storage<sizeof(Mutex), alignof(Mutex)>::type mu2_store;
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18 Mutex* mu2 = reinterpret_cast<Mutex*>(&mu2_store);
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19 new(&mu2_store)
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20 Mutex(false, __tsan_mutex_not_static, __tsan_mutex_not_static);
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21 mu2->Lock();
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22 mu2->~Mutex();
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23 mu2->Unlock();
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24
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25 fprintf(stderr, "DONE\n");
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26 return 0;
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27 }
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28
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29 // CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
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30 // CHECK: main {{.*}}custom_mutex5.cpp:14
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31 // CHECK: WARNING: ThreadSanitizer: destroy of a locked mutex
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32 // CHECK: main {{.*}}custom_mutex5.cpp:22
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33 // CHECK: DONE
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