diff --git a/Lib/multiprocessing/synchronize.py b/Lib/multiprocessing/synchronize.py
index 7f4718c..edf6c3e 100644
--- a/Lib/multiprocessing/synchronize.py
+++ b/Lib/multiprocessing/synchronize.py
@@ -217,7 +217,7 @@
 
         try:
             # wait for notification or timeout
-            self._wait_semaphore.acquire(True, timeout)
+            ret = self._wait_semaphore.acquire(True, timeout)
         finally:
             # indicate that this thread has woken
             self._woken_count.release()
@@ -225,6 +225,7 @@
             # reacquire lock
             for i in range(count):
                 self._lock.acquire()
+            return ret
 
     def notify(self):
         assert self._lock._semlock._is_mine(), 'lock is not owned'