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 // XFAIL: LIBCXX-AIX-FIXME
11 
12 // <thread>
13 
14 // class thread
15 
16 // unsigned hardware_concurrency();
17 
18 #include <thread>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 
23 int main(int, char**)
24 {
25     assert(std::thread::hardware_concurrency() > 0);
26 
27   return 0;
28 }
29