[cfe-commits] [libcxx] r128636 - /libcxx/trunk/include/atomic

[Howard Hinnant]

Author: hhinnant
Date: Thu Mar 31 11:39:39 2011
New Revision: 128636

URL: http://llvm.org/viewvc/llvm-project?rev=128636&view=rev
Log:
Provide a more readable error message for <atomic> until it is implemented.

Modified:
    libcxx/trunk/include/atomic

Modified: libcxx/trunk/include/atomic
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/atomic?rev=128636&r1=128635&r2=128636&view=diff
==============================================================================
--- libcxx/trunk/include/atomic (original)
+++ libcxx/trunk/include/atomic Thu Mar 31 11:39:39 2011
@@ -530,6 +530,10 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
+#if !__has_feature(cxx_atomic)
+#error <atomic> is not implemented
+#else
+
 typedef enum memory_order
 {
     memory_order_relaxed, memory_order_consume, memory_order_acquire,
@@ -1502,6 +1506,8 @@
 #define ATOMIC_LONG_LOCK_FREE 0
 #define ATOMIC_LLONG_LOCK_FREE 0
 
+#endif  //  !__has_feature(cxx_atomic)
+
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP_ATOMIC