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/vnet/mfib/mfib_forward.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/vnet/mfib/mfib_forward.c') diff --git a/src/vnet/mfib/mfib_forward.c b/src/vnet/mfib/mfib_forward.c index 3d0e0d47996..4b121324fb6 100644 --- a/src/vnet/mfib/mfib_forward.c +++ b/src/vnet/mfib/mfib_forward.c @@ -300,8 +300,8 @@ mfib_forward_itf_signal (vlib_main_t *vm, { mfib_itf_flags_t old_flags; - old_flags = __sync_fetch_and_or(&mfi->mfi_flags, - MFIB_ITF_FLAG_SIGNAL_PRESENT); + old_flags = clib_atomic_fetch_or(&mfi->mfi_flags, + MFIB_ITF_FLAG_SIGNAL_PRESENT); if (!(old_flags & MFIB_ITF_FLAG_SIGNAL_PRESENT)) { -- cgit 1.2.3-korg