From ead15d1f95a320e10e04fa7bd0a012d1a19ad1db Mon Sep 17 00:00:00 2001 From: Howard Hinnant Date: Mon, 21 Jan 2013 20:39:41 +0000 Subject: [PATCH] Implement the ATOMIC_*_LOCK_FREE macros. llvm-svn: 173084 --- libcxx/include/atomic | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/libcxx/include/atomic b/libcxx/include/atomic index 4731e4f..db67e76 100644 --- a/libcxx/include/atomic +++ b/libcxx/include/atomic @@ -33,6 +33,7 @@ template 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 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 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) -- 2.7.4