/* Avoiding the synchronizations are a good thing. */ #define WANT_SPECIALCASE_RELAXED #define WANT_SPECIALCASE_ACQREL /* Glibc, at least, uses lwsync (aka acq_rel) in its pthread mutex implementation. If the user is asking for seq_cst (aka hwsync), 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