vcl: allow non-blocking connects

Type: feature

Change-Id: I55349f482ce6781337f747b2f0d2c0a027c3a675
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 90bec31..6281509 100644
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -18,6 +18,7 @@
 
 #include <netdb.h>
 #include <errno.h>
+#include <sys/fcntl.h>
 #include <sys/poll.h>
 #include <sys/epoll.h>
 
@@ -115,6 +116,7 @@
   VPPCOM_OK = 0,
   VPPCOM_EAGAIN = -EAGAIN,
   VPPCOM_EWOULDBLOCK = -EWOULDBLOCK,
+  VPPCOM_EINPROGRESS = -EINPROGRESS,
   VPPCOM_EFAULT = -EFAULT,
   VPPCOM_ENOMEM = -ENOMEM,
   VPPCOM_EINVAL = -EINVAL,