| Jens Axboe | 21b4aa5 | 2019-03-06 09:03:50 -0700 | [diff] [blame] | 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 |