From: Florin Coras <fcoras@cisco.com>
Date: Sat, 31 May 2025 21:13:44 +0000 (-0400)
Subject: vcl: improve select handling of vpp detachment
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F60%2F43060%2F3;p=vpp.git

vcl: improve select handling of vpp detachment

Type: improvement

Change-Id: I85df1da32e3d9a06051175385a75818d8ec5b29d
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index 6f84178de79..35af7f73046 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -2813,8 +2813,13 @@ vppcom_select_eventfd (vcl_worker_t * wrk, int n_bits,
 
       for (i = 0; i < n_mq_evts; i++)
 	{
-	  if (PREDICT_FALSE (wrk->mq_events[i].data.u32 == ~0))
+	  if (PREDICT_FALSE (wrk->mq_events[i].data.u32 >= VCL_EP_PIPEFD_EVT))
 	    {
+	      if (wrk->mq_events[i].data.u32 == VCL_EP_PIPEFD_EVT)
+		{
+		  vcl_api_retry_attach (wrk);
+		  continue;
+		}
 	      vcl_api_handle_disconnect (wrk);
 	      continue;
 	    }