From 4054eece6a445fb048a984b70a72ae3cb8ddb8e5 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Fri, 30 Nov 2007 07:08:29 +0000
Subject: [PATCH] The probelem of the previous bug was not in bad BOOST
 implementation of signals library (it seems that it really disconnect its
 observers, when it is destroyed), but, as usual, in not thread safety of our
 own code

---
 src/VISU_I/VISU_ColoredPrs3d_i.cc | 36 +++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/src/VISU_I/VISU_ColoredPrs3d_i.cc b/src/VISU_I/VISU_ColoredPrs3d_i.cc
index 043668b8..dd973c56 100644
--- a/src/VISU_I/VISU_ColoredPrs3d_i.cc
+++ b/src/VISU_I/VISU_ColoredPrs3d_i.cc
@@ -205,16 +205,31 @@ void
 VISU::ColoredPrs3d_i
 ::UpdateFromResult(Result_i* theResult)
 {
-  try{
-    if(theResult == GetCResult()){
-      DoSetInput(false, false);
-      UpdateActors();
+  struct TEvent: public SALOME_Event
+  {
+    VISU::ColoredPrs3d_i* myColoredPrs3d;
+
+    TEvent(VISU::ColoredPrs3d_i* theColoredPrs3d):
+      myColoredPrs3d(theColoredPrs3d)
+    {}
+    
+    virtual
+    void
+    Execute()
+    {
+      try{
+	myColoredPrs3d->DoSetInput(false, false);
+	myColoredPrs3d->UpdateActors();
+      }catch(std::exception& exc){
+	INFOS("Follow exception was occured :\n"<<exc.what());
+      }catch(...){
+	INFOS("Unknown exception was occured!");
+      }
     }
-  }catch(std::exception& exc){
-    INFOS("Follow exception was occured :\n"<<exc.what());
-  }catch(...){
-    INFOS("Unknown exception was occured!");
-  }
+  };
+
+  if ( theResult == GetCResult() ) 
+    ProcessVoidEvent(new TEvent(this));
 }
 
 
@@ -271,8 +286,7 @@ VISU::ColoredPrs3d_i
     if(!IsRangeFixed() && theReInit)
       SetSourceRange();
 
-    if(GetPublishInStudyMode() != EDoNotPublish)
-      GetCResult()->ConnectObserver(this, myResultConnection);
+    GetCResult()->ConnectObserver(this, myResultConnection);
 
     myPreviousEntity = myEntity;
     myPreviousFieldName = myFieldName;
-- 
2.39.2