X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvat%2Fmain.c;h=aa990a31d93dd9d7c677d2df6169e7e11219576a;hb=cf5e848d69a4f14464c1e2d56896bc9f7e586951;hp=e2c9b70889a0fecef81105045862172bfbaf0abb;hpb=965fec9089de96c2afbffc3dec3360d043e3eead;p=vpp.git

diff --git a/src/vat/main.c b/src/vat/main.c
index e2c9b70889a..aa990a31d93 100644
--- a/src/vat/main.c
+++ b/src/vat/main.c
@@ -308,6 +308,7 @@ main (int argc, char **argv)
   u8 *heap;
   mheap_t *h;
   int i;
+  f64 timeout;
 
   clib_mem_init (0, 128 << 20);
 
@@ -432,6 +433,18 @@ main (int argc, char **argv)
       fclose (vam->ifp);
     }
 
+  /*
+   * Particularly when running a script, don't be in a hurry to leave.
+   * A reply message queued to this process will end up constipating
+   * the allocation rings.
+   */
+  timeout = vat_time_now (vam) + 2.0;
+  while (vam->result_ready == 0 && vat_time_now (vam) < timeout)
+    ;
+
+  if (vat_time_now (vam) > timeout)
+    clib_warning ("BUG: message reply spin-wait timeout");
+
   vl_client_disconnect_from_vlib ();
   exit (0);
 }