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 // <semaphore> 13 14 #include <semaphore> 15 #include <thread> 16 17 #include "test_macros.h" 18 19 int main(int, char**) 20 { 21 static_assert(std::counting_semaphore<>::max() >= 1, ""); 22 static_assert(std::counting_semaphore<1>::max() >= 1, ""); 23 static_assert(std::counting_semaphore<std::numeric_limits<int>::max()>::max() >= std::numeric_limits<int>::max(), ""); 24 static_assert(std::counting_semaphore<std::numeric_limits<ptrdiff_t>::max()>::max() == std::numeric_limits<ptrdiff_t>::max(), ""); 25 return 0; 26 } 27