1//===----------------------------------------------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03
10// UNSUPPORTED: no-threads
11
12// XFAIL: LIBCXX-FREEBSD-FIXME
13
14// TODO: This test does start working with newer updates of the mingw-w64
15// toolchain, when it includes the following commit:
16// https://github.com/mingw-w64/mingw-w64/commit/71eddccd746c56d9cde28bb5620d027d49259de9
17// Thus, remove this UNSUPPORTED marking after the next update of the CI
18// toolchain.
19// UNSUPPORTED: target={{.*-windows-gnu}}
20
21#include <cassert>
22#include <thread>
23
24#include "make_test_thread.h"
25
26int seq = 0;
27
28class OrderChecker {
29public:
30 explicit OrderChecker(int n) : n_{n} { }
31
32 ~OrderChecker() {
33 assert(seq++ == n_);
34 }
35
36private:
37 int n_;
38};
39
40template <int ID>
41class CreatesThreadLocalInDestructor {
42public:
43 ~CreatesThreadLocalInDestructor() {
44 thread_local OrderChecker checker{ID};
45 }
46};
47
48OrderChecker global{7};
49
50void thread_fn() {
51 static OrderChecker fn_static{5};
52 thread_local CreatesThreadLocalInDestructor<2> creates_tl2;
53 thread_local OrderChecker fn_thread_local{1};
54 thread_local CreatesThreadLocalInDestructor<0> creates_tl0;
55}
56
57int main(int, char**) {
58 static OrderChecker fn_static{6};
59
60 support::make_test_thread(thread_fn).join();
61 assert(seq == 3);
62
63 thread_local OrderChecker fn_thread_local{4};
64 thread_local CreatesThreadLocalInDestructor<3> creates_tl;
65
66 return 0;
67}
68

source code of libcxxabi/test/thread_local_destruction_order.pass.cpp