X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=blobdiff_plain;f=tools%2Fvirtio%2Fringtest%2Fptr_ring.c;fp=tools%2Fvirtio%2Fringtest%2Fptr_ring.c;h=635b07b4fdd3949c7883a2775575c0ff4d8ce228;hp=bd2ad1d3b7a9ef88e28e1ad982dd37638841fa04;hb=04659febcb074de61ae80dbb1fb62f56c08a2b91;hpb=a75e0032684d5ad9465f68d54b9d7337790b4ef2 diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c index bd2ad1d3b7a9..635b07b4fdd3 100644 --- a/tools/virtio/ringtest/ptr_ring.c +++ b/tools/virtio/ringtest/ptr_ring.c @@ -133,18 +133,9 @@ void *get_buf(unsigned *lenp, void **bufp) return datap; } -void poll_used(void) +bool used_empty() { - void *b; - - do { - if (tailcnt == headcnt || __ptr_ring_full(&array)) { - b = NULL; - barrier(); - } else { - b = "Buffer\n"; - } - } while (!b); + return (tailcnt == headcnt || __ptr_ring_full(&array)); } void disable_call() @@ -173,14 +164,9 @@ bool enable_kick() assert(0); } -void poll_avail(void) +bool avail_empty() { - void *b; - - do { - barrier(); - b = __ptr_ring_peek(&array); - } while (!b); + return !__ptr_ring_peek(&array); } bool use_buf(unsigned *lenp, void **bufp)