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 // <atomic> 11 12 // typedef enum memory_order 13 // { 14 // memory_order_relaxed, memory_order_consume, memory_order_acquire, 15 // memory_order_release, memory_order_acq_rel, memory_order_seq_cst 16 // } memory_order; 17 18 #include <atomic> 19 #include <cassert> 20 21 int main() 22 { 23 assert(std::memory_order_relaxed == 0); 24 assert(std::memory_order_consume == 1); 25 assert(std::memory_order_acquire == 2); 26 assert(std::memory_order_release == 3); 27 assert(std::memory_order_acq_rel == 4); 28 assert(std::memory_order_seq_cst == 5); 29 std::memory_order o = std::memory_order_seq_cst; 30 assert(o == 5); 31 } 32