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-rw-r--r--src/vcl/vppcom.c11
-rw-r--r--src/vcl/vppcom.h11
2 files changed, 21 insertions, 1 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c
index d217058370e..ae45be3b359 100644
--- a/src/vcl/vppcom.c
+++ b/src/vcl/vppcom.c
@@ -4490,6 +4490,17 @@ vppcom_session_get_error (uint32_t session_handle)
return VPPCOM_OK;
}
+int
+vppcom_worker_is_detached (void)
+{
+ vcl_worker_t *wrk = vcl_worker_get_current ();
+
+ if (!vcm->cfg.use_mq_eventfd)
+ return VPPCOM_ENOTSUP;
+
+ return wrk->api_client_handle == ~0;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vcl/vppcom.h b/src/vcl/vppcom.h
index 6e15cd17cd4..08724cc31d8 100644
--- 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
}