vppinfra: add atomic macros for __sync builtins

[vpp.git] / src / vnet / pg / output.c

diff --git a/src/vnet/pg/output.c b/src/vnet/pg/output.c
index ab57dee..016e5b3 100644 (file)
--- a/src/vnet/pg/output.c
+++ b/src/vnet/pg/output.c
@@ -54,7 +54,7 @@ pg_output (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
   pg_interface_t *pif = pool_elt_at_index (pg->interfaces, rd->dev_instance);
 
   if (PREDICT_FALSE (pif->lockp != 0))
-    while (__sync_lock_test_and_set (pif->lockp, 1))
+    while (clib_atomic_test_and_set (pif->lockp))
       ;
 
   while (n_left > 0)
@@ -82,7 +82,8 @@ pg_output (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 
   vlib_buffer_free (vm, vlib_frame_args (frame), n_buffers);
   if (PREDICT_FALSE (pif->lockp != 0))
-    *pif->lockp = 0;
+    clib_atomic_release (pif->lockp);
+
   return n_buffers;
 }