1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <thread> 11 12 // class thread 13 14 // unsigned hardware_concurrency(); 15 16 #include <thread> 17 #include <cassert> 18 19 int main() 20 { 21 assert(std::thread::hardware_concurrency() > 0); 22 } 23
