From 525177bd5328483af2c2bc2a4d23be0599a8e418 Mon Sep 17 00:00:00 2001
From: Fred Emmott <fe@fb.com>
Date: Fri, 14 Dec 2018 14:20:01 -0800
Subject: [PATCH] speed up execute_async again

When hh-clilib moved to hsl-experimental IO\ , we lost the async
wrappers around arbitrary resources.

Made a mistake when implementing with builtins.

Back to 5 min build
---
 src/__Private/execute_async.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/__Private/execute_async.php b/src/__Private/execute_async.php
index 2ce09f3fa..a96c0d19a 100644
--- a/src/__Private/execute_async.php
+++ b/src/__Private/execute_async.php
@@ -27,6 +27,7 @@
 
   list($stdin, $stdout, $stderr) = $pipes;
   \fclose($stdin);
+  \stream_set_blocking($stdout, false);
 
   $exit_code = -2;
   $output = '';