SBQueue::GetNumPendingItems() should not force a fetch of the pending

items; the backing Queue object has the number of pending items
already cached.  Also, add SBQueue::GetNumRunningItems() to provide
that information.
<rdar://problem/16272016> 

llvm-svn: 203420

lldb/include/lldb/API/SBQueue.h

@@ -62,6 +62,9 @@ public:
     lldb::SBQueueItem
     GetPendingItemAtIndex (uint32_t);
 
+    uint32_t
+    GetNumRunningItems ();
+
 protected:
     friend class SBProcess;
 

lldb/source/API/SBQueue.cpp

@@ -223,14 +223,17 @@ namespace lldb_private
             return sb_thread;
         }
 
-        
         uint32_t
         GetNumPendingItems ()
         {
             uint32_t result = 0;
-            FetchItems();
 
-            if (m_pending_items_fetched)
+            QueueSP queue_sp = m_queue_wp.lock();
+            if (m_pending_items_fetched == false && queue_sp)
+            {
+                result = queue_sp->GetNumPendingWorkItems();
+            }
+            else
             {
                 result = m_pending_items.size();
             }
@@ -249,6 +252,16 @@ namespace lldb_private
             return result;
         }
 
+        uint32_t
+        GetNumRunningItems ()
+        {
+            uint32_t result = 0;
+            QueueSP queue_sp = m_queue_wp.lock();
+            if (queue_sp)
+                result = queue_sp->GetNumRunningWorkItems();
+            return result;
+        }
+        
         lldb::SBProcess
         GetProcess ()
         {
@@ -399,6 +412,16 @@ SBQueue::GetPendingItemAtIndex (uint32_t idx)
     return m_opaque_sp->GetPendingItemAtIndex (idx);
 }
 
+uint32_t
+SBQueue::GetNumRunningItems ()
+{
+    uint32_t running_items = m_opaque_sp->GetNumRunningItems ();
+    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
+    if (log)
+        log->Printf("SBQueue(0x%" PRIx64 ")::GetNumRunningItems() == %d", m_opaque_sp->GetQueueID(), running_items);
+    return running_items;
+}
+
 SBProcess
 SBQueue::GetProcess ()
 {