From 2f6d7bb93c157b874efb79a2d1583a4c368bf89a Mon Sep 17 00:00:00 2001 From: Sirshak Das Date: Wed, 3 Oct 2018 22:53:51 +0000 Subject: vppinfra: add atomic macros for __sync builtins This is first part of addition of atomic macros with only macros for __sync builtins. - Based on earlier patch by Damjan (https://gerrit.fd.io/r/#/c/10729/) Additionally - clib_atomic_release macro added and used in the absence of any memory barrier. - clib_atomic_bool_cmp_and_swap added Change-Id: Ie4e48c1e184a652018d1d0d87c4be80ddd180a3b Original-patch-by: Damjan Marion Signed-off-by: Sirshak Das Reviewed-by: Honnappa Nagarahalli Reviewed-by: Ola Liljedahl Reviewed-by: Steve Capper --- src/vppinfra/elog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/vppinfra/elog.c') diff --git a/src/vppinfra/elog.c b/src/vppinfra/elog.c index a86fadeaa39..c6902eb86ea 100644 --- a/src/vppinfra/elog.c +++ b/src/vppinfra/elog.c @@ -46,7 +46,7 @@ static inline void elog_lock (elog_main_t * em) { if (PREDICT_FALSE (em->lock != 0)) - while (__sync_lock_test_and_set (em->lock, 1)) + while (clib_atomic_test_and_set (em->lock)) ; } -- cgit 1.2.3-korg