Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12412
-gerrit
commit f9260693d30f31f368738e74ad14cc9cc5c5ced4 Author: Furquan Shaikh furquan@google.com Date: Fri Nov 6 22:20:15 2015 -0800
libpayload: queue: Add a helper macro for checking singleton queue
Check if the simple queue consists of only 1 element.
BUG=b:24676003 BRANCH=None TEST=Compiles successfully.
Change-Id: Ib257a5e6b9042b42c549f8ad8b943e3b75fd8c9c Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 5435d6fec1c4fbb4c04ba5b8c15caff9ee4e50f0 Original-Change-Id: I7a8cb9c4e7e71956e85e65b3e7b8e0af4d354110 Original-Signed-off-by: Furquan Shaikh furquan@google.com Original-Reviewed-on: https://chromium-review.googlesource.com/311256 Original-Commit-Ready: Furquan Shaikh furquan@chromium.org Original-Tested-by: Furquan Shaikh furquan@chromium.org Original-Reviewed-by: Aaron Durbin adurbin@chromium.org --- payloads/libpayload/include/queue.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/payloads/libpayload/include/queue.h b/payloads/libpayload/include/queue.h index f8f09bf..2b64669 100644 --- a/payloads/libpayload/include/queue.h +++ b/payloads/libpayload/include/queue.h @@ -268,6 +268,9 @@ struct { \ #define SIMPLEQ_END(head) NULL #define SIMPLEQ_EMPTY(head) (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head)) #define SIMPLEQ_NEXT(elm, field) ((elm)->field.sqe_next) +#define SIMPLEQ_TAIL_NEXT(head) ((head)->sqh_last) +#define SIMPLEQ_SINGLETON(head, field) \ + (&SIMPLEQ_NEXT(SIMPLEQ_FIRST(head), field) == SIMPLEQ_TAIL_NEXT(head))
#define SIMPLEQ_FOREACH(var, head, field) \ for((var) = SIMPLEQ_FIRST(head); \