vcl: add api to check if vcl disconnected from vpp

[vpp.git] / src / vcl / vppcom.h

diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 6e15cd1..08724cc 100644 (file)
--- a/src/vcl/vppcom.h
+++ b/src/vcl/vppcom.h
@@ -102,7 +102,8 @@ typedef enum
   VPPCOM_ENOPROTOOPT = -ENOPROTOOPT,
   VPPCOM_EPIPE = -EPIPE,
   VPPCOM_ENOENT = -ENOENT,
-  VPPCOM_EADDRINUSE = -EADDRINUSE
+  VPPCOM_EADDRINUSE = -EADDRINUSE,
+  VPPCOM_ENOTSUP = -ENOTSUP
 } vppcom_error_t;
 
 typedef enum
@@ -272,6 +273,14 @@ extern int vppcom_worker_mqs_epfd (void);
  */
 extern int vppcom_session_get_error (uint32_t session_handle);
 
+/**
+ * Returns true if current worker is disconnected from vpp
+ *
+ * Application can use this API to check if VPP is disconnected
+ * as long as `use-mq-eventfd` is being set
+ */
+extern int vppcom_worker_is_detached (void);
+
 /* *INDENT-OFF* */
 #ifdef __cplusplus
 }