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 // TODO(ldionne): This test fails on Ubuntu Focal on our CI nodes (and only there), in 32 bit mode. 17 // UNSUPPORTED: linux && 32bits-on-64bits 18 19 // <latch> 20 21 #include <latch> 22 #include <thread> 23 24 #include "make_test_thread.h" 25 #include "test_macros.h" 26 27 int main(int, char**) 28 { 29 std::latch l(2); 30 31 std::thread t = support::make_test_thread([&](){ 32 l.arrive_and_wait(); 33 }); 34 l.arrive_and_wait(); 35 t.join(); 36 37 return 0; 38 } 39