1 #ifndef LIBURING_BARRIER_H 2 #define LIBURING_BARRIER_H 3 4 #if defined(__x86_64) || defined(__i386__) 5 #define read_barrier() __asm__ __volatile__("":::"memory") 6 #define write_barrier() __asm__ __volatile__("":::"memory") 7 #else 8 /* 9 * Add arch appropriate definitions. Be safe and use full barriers for 10 * archs we don't have support for. 11 */ 12 #define read_barrier() __sync_synchronize() 13 #define write_barrier() __sync_synchronize() 14 #endif 15 16 #endif 17