17 lines
432 B
C
17 lines
432 B
C
#ifndef LIBURING_BARRIER_H
|
|
#define LIBURING_BARRIER_H
|
|
|
|
#if defined(__x86_64)
|
|
#define read_barrier() __asm__ __volatile__("lfence":::"memory")
|
|
#define write_barrier() __asm__ __volatile__("sfence":::"memory")
|
|
#else
|
|
/*
|
|
* Add arch appropriate definitions. Be safe and use full barriers for
|
|
* archs we don't have support for.
|
|
*/
|
|
#define read_barrier() __sync_synchronize()
|
|
#define write_barrier() __sync_synchronize()
|
|
#endif
|
|
|
|
#endif
|