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 #include <cassert> 27 28 #include "make_test_thread.h" 29 #include "test_macros.h" 30 31 int main(int, char**) 32 { 33 int x = 0; 34 auto comp = [&]() { x += 1; }; 35 std::barrier<decltype(comp)> b(2, comp); 36 37 std::thread t = support::make_test_thread([&](){ 38 for(int i = 0; i < 10; ++i) 39 b.arrive_and_wait(); 40 }); 41 42 for(int i = 0; i < 10; ++i) 43 b.arrive_and_wait(); 44 45 assert(x == 10); 46 t.join(); 47 return 0; 48 } 49