From e6fc3d209d44c2ca28386d01aa2a582a7bae5931 Mon Sep 17 00:00:00 2001
From: Patrick Barrett <patrick@psbarrett.com>
Date: Wed, 11 Jul 2018 13:37:57 -0500
Subject: [PATCH] return NotReady when recv_from wouldblock in uds (#452)

---
 tokio-uds/src/datagram.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tokio-uds/src/datagram.rs b/tokio-uds/src/datagram.rs
index 5e00a63ed..e34c99402 100644
--- a/tokio-uds/src/datagram.rs
+++ b/tokio-uds/src/datagram.rs
@@ -104,6 +104,7 @@ impl UnixDatagram {
         let r = self.io.get_ref().recv_from(buf);
         if is_wouldblock(&r) {
             self.io.clear_read_ready(Ready::readable())?;
+            return Ok(Async::NotReady);
         }
         r.map(Async::Ready)
     }
@@ -118,6 +119,7 @@ impl UnixDatagram {
         let r = self.io.get_ref().recv(buf);
         if is_wouldblock(&r) {
             self.io.clear_read_ready(Ready::readable())?;
+            return Ok(Async::NotReady);
         }
         r.map(Async::Ready)
     }