Commit c5582f27 authored by Daniel Verkamp's avatar Daniel Verkamp Committed by Ben Walker
Browse files

barrier.h: add some minimal docs 



Change-Id: Icd8af783713f80fd560092411782fe68f89b0d9a
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent c720c8a3

include/spdk/barrier.h

+3 −0
Original line number Diff line number Diff line
@@ -42,7 +42,10 @@ 
extern "C" {

#endif



/** Write memory barrier */

#define spdk_wmb()	__asm volatile("sfence" ::: "memory")



/** Full read/write memory barrier */

#define spdk_mb()	__asm volatile("mfence" ::: "memory")



#ifdef __cplusplus