From d15278bb864ebcec685f3e7d068941cdf70260f2 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Fri, 27 Mar 2015 15:53:01 -0700
Subject: [PATCH] Fix: File watchers not being disposed in -watch mode

---
 src/compiler/tsc.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/tsc.ts b/src/compiler/tsc.ts
index a0d21106f43..0cbeff8204a 100644
--- a/src/compiler/tsc.ts
+++ b/src/compiler/tsc.ts
@@ -276,6 +276,7 @@ module ts {
 
         // If a source file changes, mark it as unwatched and start the recompilation timer
         function sourceFileChanged(sourceFile: SourceFile) {
+            sourceFile.fileWatcher.close();
             sourceFile.fileWatcher = undefined;
             startTimer();
         }