From d5e34d967cd209098110d0be0b75af002530ef25 Mon Sep 17 00:00:00 2001
From: Benoit Sigoure <tsunanet@gmail.com>
Date: Tue, 19 May 2015 22:28:15 -0700
Subject: [PATCH] Fix deadlock on join() timeout.

This closes #4.
---
 src/Deferred.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Deferred.java b/src/Deferred.java
index 9a02a52..e872e3d 100644
--- a/src/Deferred.java
+++ b/src/Deferred.java
@@ -1130,6 +1130,7 @@ private T doJoin(final boolean interruptible, final long timeout)
     try {
       while (true) {
         try {
+          boolean timedout = false;
           synchronized (signal_cb) {
             addBoth((Callback<T, T>) ((Object) signal_cb));
             if (timeout == 0) {  // No timeout, we can use a simple loop.
@@ -1174,12 +1175,15 @@ private T doJoin(final boolean interruptible, final long timeout)
                 // But entering `wait' is pretty much guaranteed to make the
                 // loop take more than 100ns no matter what.
                 if (timeleft < 100) {
-                  throw new TimeoutException(this, timeout);
+                  timedout = true;
+                  break;
                 }
               }
             }
           }
-          if (signal_cb.result instanceof Exception) {
+          if (timedout) {
+            throw new TimeoutException(this, timeout);
+          } else if (signal_cb.result instanceof Exception) {
             throw (Exception) signal_cb.result;
           }
           return (T) signal_cb.result;