Merge pull request #11145 from Tharazi97/CountFunctionQueue

Implement queue.count()
ARMmbed · Aug 6, 2019 · 34813ed · 34813ed
2 parents dd2d585 + 32bdde5
commit 34813ed
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/rtos/Queue.h b/rtos/Queue.h
@@ -107,6 +107,17 @@ class Queue : private mbed::NonCopyable<Queue<T, queue_sz> > {
         return osMessageQueueGetSpace(_id) == 0;
     }
 
+    /** Get number of queued messages in the queue.
+     *
+     * @return Number of items in the queue
+     *
+     * @note You may call this function from ISR context.
+     */
+    uint32_t count() const
+    {
+        return osMessageQueueGetCount(_id);
+    }
+
     /** Inserts the given element to the end of the queue.
      *
      * This function puts the message pointed to by `data` into the queue. The