| 1 | //===-- Tests for pthread_exit --------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "src/pthread/pthread_create.h" |
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| 10 | #include "src/pthread/pthread_exit.h" |
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| 11 | #include "src/pthread/pthread_join.h" |
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| 12 | #include "test/IntegrationTest/test.h" |
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| 13 | |
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| 14 | #include <pthread.h> |
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| 15 | |
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| 16 | bool dtor_called = false; |
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| 17 | |
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| 18 | class A { |
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| 19 | int val; |
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| 20 | |
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| 21 | public: |
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| 22 | A(int i) { val = i; } |
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| 23 | |
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| 24 | void set(int i) { val = i; } |
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| 25 | |
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| 26 | ~A() { |
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| 27 | val = 0; |
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| 28 | dtor_called = true; |
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| 29 | } |
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| 30 | }; |
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| 31 | |
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| 32 | thread_local A thread_local_a(123); |
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| 33 | |
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| 34 | void *func(void *) { |
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| 35 | // Touch the thread local variable so that it gets initialized and a callback |
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| 36 | // for its destructor gets registered with __cxa_thread_atexit. |
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| 37 | thread_local_a.set(321); |
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| 38 | LIBC_NAMESPACE::pthread_exit(retval: nullptr); |
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| 39 | return nullptr; |
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| 40 | } |
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| 41 | |
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| 42 | TEST_MAIN() { |
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| 43 | pthread_t th; |
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| 44 | void *retval; |
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| 45 | |
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| 46 | ASSERT_EQ(LIBC_NAMESPACE::pthread_create(&th, nullptr, func, nullptr), 0); |
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| 47 | ASSERT_EQ(LIBC_NAMESPACE::pthread_join(th, &retval), 0); |
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| 48 | |
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| 49 | ASSERT_TRUE(dtor_called); |
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| 50 | LIBC_NAMESPACE::pthread_exit(retval: nullptr); |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | extern "C" { |
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| 55 | |
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| 56 | using Destructor = void(void *); |
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| 57 | |
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| 58 | int __cxa_thread_atexit_impl(Destructor *, void *, void *); |
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| 59 | |
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| 60 | // We do not link integration tests to C++ runtime pieces like the libcxxabi. |
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| 61 | // So, we provide our own simple __cxa_thread_atexit implementation. |
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| 62 | int __cxa_thread_atexit(Destructor *dtor, void *obj, void *) { |
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| 63 | return __cxa_thread_atexit_impl(dtor, obj, nullptr); |
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| 64 | } |
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| 65 | } |
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| 66 | |
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