Author: ed Date: Fri Aug 31 22:22:14 2012 New Revision: 239960 URL: http://svn.freebsd.org/changeset/base/239960
Log: Properly enable Clang-style atomics when available. In addition to testing against cxx_atomic, we must check c_atomic. The former is only set when building C++ code. Also use __has_extension instead of __has_feature. This allows us to use the atomics outside of C11. Reported by: Ariane van der Steldt <ariane stack nl> PR: threads/170073 Modified: head/include/stdatomic.h Modified: head/include/stdatomic.h ============================================================================== --- head/include/stdatomic.h Fri Aug 31 21:45:49 2012 (r239959) +++ head/include/stdatomic.h Fri Aug 31 22:22:14 2012 (r239960) @@ -33,7 +33,7 @@ #include <sys/cdefs.h> #include <sys/_types.h> -#if __has_feature(cxx_atomic) +#if __has_extension(c_atomic) || __has_extension(cxx_atomic) #define __CLANG_ATOMICS #elif __GNUC_PREREQ__(4, 7) #define __GNUC_ATOMICS _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
