1*7c3d14c8STreehugger Robot /*===-- atomic_thread_fence.c -----------------------------------------------=== 2*7c3d14c8STreehugger Robot * 3*7c3d14c8STreehugger Robot * The LLVM Compiler Infrastructure 4*7c3d14c8STreehugger Robot * 5*7c3d14c8STreehugger Robot * This file is dual licensed under the MIT and the University of Illinois Open 6*7c3d14c8STreehugger Robot * Source Licenses. See LICENSE.TXT for details. 7*7c3d14c8STreehugger Robot * 8*7c3d14c8STreehugger Robot *===------------------------------------------------------------------------=== 9*7c3d14c8STreehugger Robot * 10*7c3d14c8STreehugger Robot * This file implements atomic_thread_fence from C11's stdatomic.h. 11*7c3d14c8STreehugger Robot * 12*7c3d14c8STreehugger Robot *===------------------------------------------------------------------------=== 13*7c3d14c8STreehugger Robot */ 14*7c3d14c8STreehugger Robot 15*7c3d14c8STreehugger Robot #ifndef __has_include 16*7c3d14c8STreehugger Robot #define __has_include(inc) 0 17*7c3d14c8STreehugger Robot #endif 18*7c3d14c8STreehugger Robot 19*7c3d14c8STreehugger Robot #if __has_include(<stdatomic.h>) 20*7c3d14c8STreehugger Robot 21*7c3d14c8STreehugger Robot #include <stdatomic.h> 22*7c3d14c8STreehugger Robot #undef atomic_thread_fence atomic_thread_fence(memory_order order)23*7c3d14c8STreehugger Robotvoid atomic_thread_fence(memory_order order) { 24*7c3d14c8STreehugger Robot __c11_atomic_thread_fence(order); 25*7c3d14c8STreehugger Robot } 26*7c3d14c8STreehugger Robot 27*7c3d14c8STreehugger Robot #endif 28