llvm-project/libcxx/test/std/thread/thread.barrier/arrive_and_drop.pass.cpp
Louis Dionne a7f9895cc1 [runtimes] Rename various libcpp-has-no-XYZ Lit features to just no-XYZ
Since those features are general properties of the environment, it makes
sense to use them from libc++abi too, and so the name libcpp-has-no-xxx
doesn't make sense.

Differential Revision: https://reviews.llvm.org/D126482
2022-05-27 15:24:45 -04:00

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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: no-threads
// UNSUPPORTED: c++03, c++11
// This test requires the dylib support introduced in D68480, which shipped in macOS 11.0.
// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
// <barrier>
#include <barrier>
#include <thread>
#include <cassert>
#include "make_test_thread.h"
#include "test_macros.h"
int main(int, char**)
{
std::barrier<> b(2);
std::thread t = support::make_test_thread([&](){
b.arrive_and_drop();
});
b.arrive_and_wait();
b.arrive_and_wait();
t.join();
return 0;
}