diff options
Diffstat (limited to 'vnet/vnet/pg/output.c')
| -rw-r--r-- | vnet/vnet/pg/output.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/vnet/vnet/pg/output.c b/vnet/vnet/pg/output.c index 2de06acaea5..64a0b7b9d92 100644 --- a/vnet/vnet/pg/output.c +++ b/vnet/vnet/pg/output.c @@ -52,6 +52,10 @@ pg_output (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) vnet_interface_output_runtime_t *rd = (void *) node->runtime_data; 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)) + ; + if (pif->pcap_file_name != 0) { while (n_left > 0) @@ -67,6 +71,8 @@ pg_output (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) } vlib_buffer_free_no_next (vm, vlib_frame_args (frame), n_buffers); + if (PREDICT_FALSE (pif->lockp != 0)) + *pif->lockp = 0; return n_buffers; } |