xref: /openbsd-src/gnu/llvm/compiler-rt/lib/builtins/atomic_signal_fence.c (revision 3cab2bb3f667058bece8e38b12449a63a9d73c4b)
1*3cab2bb3Spatrick //===-- atomic_signal_fence.c ---------------------------------------------===//
2*3cab2bb3Spatrick //
3*3cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*3cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information.
5*3cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*3cab2bb3Spatrick //
7*3cab2bb3Spatrick //===----------------------------------------------------------------------===//
8*3cab2bb3Spatrick //
9*3cab2bb3Spatrick // This file implements atomic_signal_fence from C11's stdatomic.h.
10*3cab2bb3Spatrick //
11*3cab2bb3Spatrick //===----------------------------------------------------------------------===//
12*3cab2bb3Spatrick 
13*3cab2bb3Spatrick #ifndef __has_include
14*3cab2bb3Spatrick #define __has_include(inc) 0
15*3cab2bb3Spatrick #endif
16*3cab2bb3Spatrick 
17*3cab2bb3Spatrick #if __has_include(<stdatomic.h>)
18*3cab2bb3Spatrick 
19*3cab2bb3Spatrick #include <stdatomic.h>
20*3cab2bb3Spatrick #undef atomic_signal_fence
atomic_signal_fence(memory_order order)21*3cab2bb3Spatrick void atomic_signal_fence(memory_order order) {
22*3cab2bb3Spatrick   __c11_atomic_signal_fence(order);
23*3cab2bb3Spatrick }
24*3cab2bb3Spatrick 
25*3cab2bb3Spatrick #endif
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