X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvpp-api%2Fclient%2Fstat_client.h;h=f8473efd47f0f8dc17ae78463eaf86cf9d0bd7ff;hb=65c56c83ce4e58178b5ad90a8f325692c9904381;hp=9385cd242d5e9fab63129d5addc1d9710dff955e;hpb=7d29e320fb2855a1ddb7a6af09078b8ed636de01;p=vpp.git

diff --git a/src/vpp-api/client/stat_client.h b/src/vpp-api/client/stat_client.h
index 9385cd242d5..f8473efd47f 100644
--- a/src/vpp-api/client/stat_client.h
+++ b/src/vpp-api/client/stat_client.h
@@ -90,9 +90,6 @@ typedef struct
   uint64_t epoch;
 } stat_segment_access_t;
 
-/*
- * Returns 0 on success, -1 on failure (timeout)
- */
 static inline uint64_t
 _time_now_nsec (void)
 {
@@ -104,10 +101,17 @@ _time_now_nsec (void)
 static inline void *
 stat_segment_adjust (stat_client_main_t * sm, void *data)
 {
-  return (void *) ((char *) sm->shared_header +
-		   ((char *) data - (char *) sm->shared_header->base));
+  void *p = (void *) ((char *) sm->shared_header +
+		      ((char *) data - (char *) sm->shared_header->base));
+  if (p > (void *) sm->shared_header &&
+      ((p + sizeof (p)) < ((void *) sm->shared_header + sm->memory_size)))
+    return p;
+  return 0;
 }
 
+/*
+ * Returns 0 on success, -1 on failure (timeout)
+ */
 static inline int
 stat_segment_access_start (stat_segment_access_t * sa,
 			   stat_client_main_t * sm)
@@ -145,6 +149,19 @@ stat_segment_set_timeout_nsec (stat_client_main_t * sm, uint64_t timeout)
   sm->timeout = timeout;
 }
 
+/*
+ * set maximum number of nano seconds to wait for in_progress state
+ * this function can be called directly by module using shared stat
+ * segment
+ */
+static inline void
+stat_segment_set_timeout (uint64_t timeout)
+{
+  stat_client_main_t *sm = &stat_client_main;
+  stat_segment_set_timeout_nsec (sm, timeout);
+}
+
+
 static inline bool
 stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm)
 {