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-rw-r--r--libcxx/include/atomic20
1 files changed, 12 insertions, 8 deletions
diff --git a/libcxx/include/atomic b/libcxx/include/atomic
index 4731e4f47a1..db67e7625b8 100644
--- a/libcxx/include/atomic
+++ b/libcxx/include/atomic
@@ -33,6 +33,7 @@ template <class T> T kill_dependency(T y) noexcept;
// lock-free property
+#define ATOMIC_BOOL_LOCK_FREE unspecified
#define ATOMIC_CHAR_LOCK_FREE unspecified
#define ATOMIC_CHAR16_T_LOCK_FREE unspecified
#define ATOMIC_CHAR32_T_LOCK_FREE unspecified
@@ -41,6 +42,7 @@ template <class T> T kill_dependency(T y) noexcept;
#define ATOMIC_INT_LOCK_FREE unspecified
#define ATOMIC_LONG_LOCK_FREE unspecified
#define ATOMIC_LLONG_LOCK_FREE unspecified
+#define ATOMIC_POINTER_LOCK_FREE unspecified
// flag type and operations
@@ -1501,14 +1503,16 @@ typedef atomic<uintmax_t> atomic_uintmax_t;
// lock-free property
-#define ATOMIC_CHAR_LOCK_FREE 0
-#define ATOMIC_CHAR16_T_LOCK_FREE 0
-#define ATOMIC_CHAR32_T_LOCK_FREE 0
-#define ATOMIC_WCHAR_T_LOCK_FREE 0
-#define ATOMIC_SHORT_LOCK_FREE 0
-#define ATOMIC_INT_LOCK_FREE 0
-#define ATOMIC_LONG_LOCK_FREE 0
-#define ATOMIC_LLONG_LOCK_FREE 0
+#define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE
+#define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE
+#define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE
+#define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE
+#define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE
+#define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE
+#define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE
+#define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE
+#define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE
+#define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE
#endif // !__has_feature(cxx_atomic)
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