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-rw-r--r--lib/builtins/atomic_signal_fence.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/builtins/atomic_signal_fence.c b/lib/builtins/atomic_signal_fence.c
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+++ b/lib/builtins/atomic_signal_fence.c
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+/*===-- atomic_signal_fence.c -----------------------------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ *===------------------------------------------------------------------------===
+ *
+ * This file implements atomic_signal_fence from C11's stdatomic.h.
+ *
+ *===------------------------------------------------------------------------===
+ */
+
+#include <stdatomic.h>
+#undef atomic_signal_fence
+void atomic_signal_fence(memory_order order) {
+ __c11_atomic_signal_fence(order);
+}