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 && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}} 15 16 // <latch> 17 18 #include <latch> 19 #include <thread> 20 21 #include "make_test_thread.h" 22 #include "test_macros.h" 23 24 int main(int, char**) 25 { 26 std::latch l(2); 27 28 l.count_down(); 29 std::thread t = support::make_test_thread([&](){ 30 l.count_down(); 31 }); 32 l.wait(); 33 t.join(); 34 35 return 0; 36 } 37