From 0c2233b8fc41d92c23a7304cace0630234c3e12d Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Mon, 6 Oct 2014 18:39:01 +0400
Subject: [PATCH] comment

---
 .../src/com/intellij/openapi/project/CacheUpdateRunner.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/project/CacheUpdateRunner.java b/platform/platform-impl/src/com/intellij/openapi/project/CacheUpdateRunner.java
index bb65c53285b6..968ac8720d1b 100644
--- a/platform/platform-impl/src/com/intellij/openapi/project/CacheUpdateRunner.java
+++ b/platform/platform-impl/src/com/intellij/openapi/project/CacheUpdateRunner.java
@@ -263,7 +263,7 @@ public class CacheUpdateRunner extends DumbModeTask {
         try {
           final FileContent fileContent = myQueue.take(myInnerIndicator);
           if (fileContent == null) {
-            myFinished.set(Boolean.TRUE);
+            myFinished.set(true);
             return;
           }
 
@@ -295,6 +295,7 @@ public class CacheUpdateRunner extends DumbModeTask {
                 @Override
                 public void run() {
                   if (myProcessInReadAction) {
+                    // in wait methods we don't want to deadlock by grabbing write lock (or having it in queue) and trying to run read action in separate thread
                     if (!ApplicationManagerEx.getApplicationEx().tryRunReadAction(action)) {
                       throw new ProcessCanceledException();
                     }