smp_mb - OpenBSD

407

#define smp_mb() __asm volatile("lock; addl $0,-4(%%esp)" : : : "memory", "cc")

417

#define smp_mb() __asm volatile("lock; addl $0,-4(%%rsp)" : : : "memory", "cc")

432

#define smp_mb() __membar("dmb ish")

447

#define smp_mb() __membar("sync")

459

#define smp_mb() __membar("fence rw,rw")

475

#define smp_mb() mb()