From: Hans Fugal <fugalh@fb.com>
Date: Fri, 9 May 2014 22:00:48 +0000 (-0700)
Subject: (wangle) ManualExecutor::waitFor(F&&)
X-Git-Tag: v0.22.0~545
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=618a6ec3134b15b76a76a8c68437df66c525cd82;p=folly.git

(wangle) ManualExecutor::waitFor(F&&)

Summary:
@override-unit-failures

Test Plan: Using it in D1322350

Reviewed By: hannesr@fb.com

FB internal diff: D1322475
---

diff --git a/folly/wangle/ManualExecutor.h b/folly/wangle/ManualExecutor.h
index 93c2591a..14c455fa 100644
--- a/folly/wangle/ManualExecutor.h
+++ b/folly/wangle/ManualExecutor.h
@@ -42,6 +42,11 @@ namespace folly { namespace wangle {
       run();
     }
 
+    template <class F> void waitFor(F const& f) {
+      while (!f.isReady())
+        makeProgress();
+    }
+
    private:
     std::mutex lock_;
     std::queue<std::function<void()>> runnables_;