From 0702c0eb96984e9c45cd440fe471de9ee484bf5d Mon Sep 17 00:00:00 2001
From: Vladimir Krivosheev <vladimir.krivosheev@jetbrains.com>
Date: Thu, 24 Oct 2013 14:27:46 +0200
Subject: [PATCH] =?UTF-8?q?don't=20create=20semaphore=20=E2=80=94=20check?=
 =?UTF-8?q?=20early?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/com/intellij/openapi/project/DumbServiceImpl.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
index eebb9b3e98eb..0a345cf07f7f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
@@ -268,6 +268,10 @@ public class DumbServiceImpl extends DumbService {
       assert !application.isReadAccessAllowed();
     }
 
+    if (!isDumb()) {
+      return;
+    }
+
     final Semaphore semaphore = new Semaphore();
     semaphore.down();
     runWhenSmart(new Runnable() {