From dff7d999fc01a3d54044ce9cd949e26ab118137e Mon Sep 17 00:00:00 2001
From: Chris Recoskie <recoskie@ca.ibm.com>
Date: Mon, 2 May 2011 19:34:51 +0000
Subject: [PATCH] Bug 133881 - Make refreshing after building optional

Fix ConcurrentModificationException in clearExclusionsForProject()
---
 .../cdt/core/resources/RefreshScopeManager.java        | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/resources/RefreshScopeManager.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/resources/RefreshScopeManager.java
index f5e603d1ed6..5042091ad2f 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/resources/RefreshScopeManager.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/resources/RefreshScopeManager.java
@@ -538,19 +538,25 @@ public class RefreshScopeManager {
 		fResourceToExclusionsMap.put(resource, exclusions);
 	}
 	
-	public void clearAllExclusions() {
+	public synchronized void clearAllExclusions() {
 		if(fResourceToExclusionsMap != null)
 			fResourceToExclusionsMap.clear();
 	}
 	
 	public synchronized void clearExclusionsForProject(IProject project) {
 		getResourcesToExclusionsMap();
+		List<IResource> resourcesToRemove = new LinkedList<IResource>();
+		
 		for(IResource resource : fResourceToExclusionsMap.keySet()) {
 			IProject project2 = resource.getProject();
 			if(project2.equals(project)) {
-				fResourceToExclusionsMap.remove(resource);
+				resourcesToRemove.add(resource);
 			}
 		}
+		
+		for(IResource resource : resourcesToRemove) {
+			fResourceToExclusionsMap.remove(resource);
+		}
 	}
 	
 	private synchronized void clearDataForProject(IProject project) {