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: libcpp-has-no-threads
10 // UNSUPPORTED: c++03, c++11
11 
12 // This test requires the dylib support introduced in D68480, which shipped in
13 // macOS 11.0.
14 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.15
15 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.14
16 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.13
17 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.12
18 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.11
19 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.10
20 // XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.9
21 
22 // <barrier>
23 
24 #include <barrier>
25 #include <thread>
26 
27 #include "make_test_thread.h"
28 #include "test_macros.h"
29 
30 int main(int, char**)
31 {
32   std::barrier<> b(2);
33 
34   auto tok = b.arrive();
35   std::thread t = support::make_test_thread([&](){
36     (void)b.arrive();
37   });
38   b.wait(std::move(tok));
39   t.join();
40 
41   auto tok2 = b.arrive(2);
42   b.wait(std::move(tok2));
43   return 0;
44 }
45