# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1457335762 -3600
# Node ID 6ac7f31fc5433a776395198bc497223000a11468
# Parent  369897749653e87720b3176dbc2a6cac03f49fac
fix freeze if empty bag of tasks

diff -r 369897749653 -r 6ac7f31fc543 Core/MultiThreading/BagOfTasksProcessor.cpp
--- a/Core/MultiThreading/BagOfTasksProcessor.cpp	Fri Mar 04 17:53:19 2016 +0100
+++ b/Core/MultiThreading/BagOfTasksProcessor.cpp	Mon Mar 07 08:29:22 2016 +0100
@@ -236,6 +236,11 @@
 
   BagOfTasksProcessor::Handle* BagOfTasksProcessor::Submit(BagOfTasks& tasks)
   {
+    if (tasks.GetSize() == 0)
+    {
+      return new Handle(*this, 0, true);
+    }
+
     boost::mutex::scoped_lock lock(mutex_);
 
     uint64_t id = countBags_;
@@ -249,6 +254,6 @@
       queue_.Enqueue(new Task(id, tasks.Pop()));
     }
 
-    return new Handle(*this, id);
+    return new Handle(*this, id, false);
   }
 }
diff -r 369897749653 -r 6ac7f31fc543 Core/MultiThreading/BagOfTasksProcessor.h
--- a/Core/MultiThreading/BagOfTasksProcessor.h	Fri Mar 04 17:53:19 2016 +0100
+++ b/Core/MultiThreading/BagOfTasksProcessor.h	Mon Mar 07 08:29:22 2016 +0100
@@ -109,10 +109,11 @@
       bool                  status_;
  
       Handle(BagOfTasksProcessor&  that,
-             uint64_t bag) : 
+             uint64_t bag,
+             bool empty) : 
         that_(that),
         bag_(bag),
-        hasJoined_(false)
+        hasJoined_(empty)
       {
       }