| 1 | // RUN: %clangxx_tsan -O1 --std=c++17 %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 <cstddef> |
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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 | alignas(Mutex) std::byte mu1_store[sizeof(Mutex)]; |
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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 | alignas(Mutex) std::byte mu2_store[sizeof(Mutex)]; |
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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, format: "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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| 34 | |
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