66 lines · cpp
1//===-- Tests for pthread_exit --------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/pthread/pthread_create.h"10#include "src/pthread/pthread_exit.h"11#include "src/pthread/pthread_join.h"12#include "test/IntegrationTest/test.h"13 14#include <pthread.h>15 16bool dtor_called = false;17 18class A {19 int val;20 21public:22 A(int i) { val = i; }23 24 void set(int i) { val = i; }25 26 ~A() {27 val = 0;28 dtor_called = true;29 }30};31 32thread_local A thread_local_a(123);33 34void *func(void *) {35 // Touch the thread local variable so that it gets initialized and a callback36 // for its destructor gets registered with __cxa_thread_atexit.37 thread_local_a.set(321);38 LIBC_NAMESPACE::pthread_exit(nullptr);39 return nullptr;40}41 42TEST_MAIN() {43 pthread_t th;44 void *retval;45 46 ASSERT_EQ(LIBC_NAMESPACE::pthread_create(&th, nullptr, func, nullptr), 0);47 ASSERT_EQ(LIBC_NAMESPACE::pthread_join(th, &retval), 0);48 49 ASSERT_TRUE(dtor_called);50 LIBC_NAMESPACE::pthread_exit(nullptr);51 return 0;52}53 54extern "C" {55 56using Destructor = void(void *);57 58int __cxa_thread_atexit_impl(Destructor *, void *, void *);59 60// We do not link integration tests to C++ runtime pieces like the libcxxabi.61// So, we provide our own simple __cxa_thread_atexit implementation.62int __cxa_thread_atexit(Destructor *dtor, void *obj, void *) {63 return __cxa_thread_atexit_impl(dtor, obj, nullptr);64}65}66