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diff --git a/sys/sys/atomic_common.h b/sys/sys/atomic_common.h
--- a/sys/sys/atomic_common.h
+++ b/sys/sys/atomic_common.h
@@ -39,6 +39,10 @@
#include <sys/cdefs.h>
#include <sys/types.h>
+#define __atomic_load_bool_relaxed(p) (*(volatile _Bool *)(p))
+#define __atomic_store_bool_relaxed(p, v) \
+ (*(volatile _Bool *)(p) = (_Bool)(v))
+
#define __atomic_load_char_relaxed(p) (*(volatile u_char *)(p))
#define __atomic_load_short_relaxed(p) (*(volatile u_short *)(p))
#define __atomic_load_int_relaxed(p) (*(volatile u_int *)(p))
@@ -70,6 +74,11 @@
*/
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
__has_extension(c_generic_selections)
+#define atomic_load_bool(p) \
+ _Generic(*(p), _Bool: __atomic_load_bool_relaxed(p))
+#define atomic_store_bool(p, v) \
+ _Generic(*(p), _Bool: __atomic_store_bool_relaxed(p, v))
+
#define __atomic_load_generic(p, t, ut, n) \
_Generic(*(p), \
t: __atomic_load_ ## n ## _relaxed(p), ut: __atomic_load_ ## n ## _relaxed(p))
@@ -77,6 +86,8 @@
_Generic(*(p), \
t: __atomic_store_ ## n ## _relaxed(p, v), ut: __atomic_store_ ## n ## _relaxed(p, v))
#else
+#define atomic_load_bool(p) __atomic_load_bool_relaxed(p)
+#define atomic_store_bool(p, v) __atomic_store_bool_relaxed(p, v)
#define __atomic_load_generic(p, t, ut, n) __atomic_load_ ## n ## _relaxed(p)
#define __atomic_store_generic(p, v, t, ut, n) __atomic_store_ ## n ## _relaxed(p, v)
#endif

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