From f3ad375fcfeb5e6d091029f15112f9d713f522d0 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Fri, 30 Nov 2012 15:05:44 -0800 Subject: [PATCH] impatomic: add atomic_{thread,signal}_fence() definitions The impatomic.h header is outdated. Additional information from the ISO papers N2633, N2731, and N2752 have limited the "fence()" support to just these two functions. --- include/impatomic.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/impatomic.h b/include/impatomic.h index 7ecc3737..b64df7af 100644 --- a/include/impatomic.h +++ b/include/impatomic.h @@ -3846,4 +3846,17 @@ T* atomic::fetch_sub( ptrdiff_t __v__, memory_order __x__ ) volatile } // namespace std #endif +#ifdef __cplusplus +extern "C" { +#endif +inline void atomic_thread_fence(memory_order order) +{ _ATOMIC_FENCE_(order); } + +/** @todo Do we want to try to support a user's signal-handler? */ +inline void atomic_signal_fence(memory_order order) +{ /* No-op? */ } +#ifdef __cplusplus +} +#endif + #endif /* __IMPATOMIC_H__ */ -- 2.34.1