/* Avoiding the DMB (or kernel helper) can be a good thing. */ #define WANT_SPECIALCASE_RELAXED /* Glibc, at least, uses acq_rel in its pthread mutex implementation. If the user is asking for seq_cst, this is insufficient. */ static inline void __attribute__((always_inline, artificial)) pre_seq_barrier(int model) { if (model == __ATOMIC_SEQ_CST) __atomic_thread_fence (__ATOMIC_SEQ_CST); } static inline void __attribute__((always_inline, artificial)) post_seq_barrier(int model) { pre_seq_barrier(model); } #define pre_post_seq_barrier 1 #include_next