From: Mark Stapp <mjs@voltanet.io>
Date: Wed, 29 Aug 2018 19:39:19 +0000 (-0400)
Subject: libs: fix missing atomics for some gcc versions
X-Git-Tag: frr-6.1-dev~2^2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=1ed98c2db620b0831d23407ae461156e07c378fc;p=mirror_frr.git

libs: fix missing atomics for some gcc versions

stdatomic.h does not have aliases for all of the useful gcc
atomic primitives; add them in for that path through
frratomic.h.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
---

diff --git a/lib/frratomic.h b/lib/frratomic.h
index 113f46c07..1f1d1b569 100644
--- a/lib/frratomic.h
+++ b/lib/frratomic.h
@@ -29,6 +29,12 @@
 #ifdef HAVE_STDATOMIC_H
 #include <stdatomic.h>
 
+/* These are available in gcc, but not in stdatomic */
+#define atomic_add_fetch_explicit __atomic_add_fetch
+#define atomic_sub_fetch_explicit __atomic_sub_fetch
+#define atomic_and_fetch_explicit __atomic_and_fetch
+#define atomic_or_fetch_explicit __atomic_or_fetch
+
 /* gcc 4.7 and newer */
 #elif defined(HAVE___ATOMIC)