*** empty log message ***

master
Marc Alexander Lehmann 4 years ago
parent 8cab6a6107
commit e7b6bda15c

@ -233,6 +233,7 @@ linuxaio_get_events_from_ring (EV_P)
|| ring->header_length != sizeof (struct aio_ring)) /* TODO: or use it to find io_event[0]? */
return 0;
/* make sure the events up to tail are visible */
ECB_MEMORY_FENCE_ACQUIRE;
/* parse all available events, but only once, to avoid starvation */
@ -245,8 +246,7 @@ linuxaio_get_events_from_ring (EV_P)
}
*(volatile unsigned *)&ring->head = tail;
/* again, other implementations don't do this, but I think it's required for the kernel to see free slots */
/* make sure kernel can see our new head value - probably not required */
ECB_MEMORY_FENCE_RELEASE;
return 1;

Loading…
Cancel
Save