diff options
Diffstat (limited to 'compiler-rt/lib/builtins/atomic_thread_fence.c')
-rw-r--r-- | compiler-rt/lib/builtins/atomic_thread_fence.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/atomic_thread_fence.c b/compiler-rt/lib/builtins/atomic_thread_fence.c new file mode 100644 index 000000000000..5659ecb0b1f9 --- /dev/null +++ b/compiler-rt/lib/builtins/atomic_thread_fence.c @@ -0,0 +1,25 @@ +//===-- atomic_thread_fence.c ---------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements atomic_thread_fence from C11's stdatomic.h. +// +//===----------------------------------------------------------------------===// + +#ifndef __has_include +#define __has_include(inc) 0 +#endif + +#if __has_include(<stdatomic.h>) + +#include <stdatomic.h> +#undef atomic_thread_fence +void atomic_thread_fence(memory_order order) { + __c11_atomic_thread_fence(order); +} + +#endif |