commit ead15d1f95a320e10e04fa7bd0a012d1a19ad1db
author Howard Hinnant <hhinnant@apple.com> Mon Jan 21 20:39:41 2013 +0000
committer Howard Hinnant <hhinnant@apple.com> Mon Jan 21 20:39:41 2013 +0000
tree 3fd760ae89aad6921c611c18ffd3c81ade62bf01
parent 0d68e21ca7321aa33b31589737c680c48052cd28

Implement the ATOMIC_*_LOCK_FREE macros.

llvm-svn: 173084

libcxx/include/atomic

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 @@
 
 // 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 @@
 #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 @@
 
 // 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)