From d3dfcae4a7a182f55ce52fb5004ce08ca64db9a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dan=20Vr=C3=A1til?= <dvratil@redhat.com>
Date: Fri, 20 Feb 2015 15:11:46 +0100
Subject: Async: only notify watchers once when Future::setFinished() is called
 multiple times

---
 async/src/future.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'async/src')

diff --git a/async/src/future.h b/async/src/future.h
index 75669ba..b580b5a 100644
--- a/async/src/future.h
+++ b/async/src/future.h
@@ -57,6 +57,9 @@ class FutureGeneric : public FutureBase
 public:
     void setFinished()
     {
+        if (d->finished) {
+            return;
+        }
         d->finished = true;
         for (auto watcher : d->watchers) {
             if (watcher) {
-- 
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