1 files changed, 10 insertions, 7 deletions
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 774fc80..6ecff9e 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -419,17 +419,20 @@ class WakeupSignalTests(unittest.TestCase):
             TIMEOUT_HALF = 5
 
             signal.alarm(1)
-            before_time = time.time()
+
             # We attempt to get a signal during the sleep,
             # before select is called
-            time.sleep(TIMEOUT_FULL)
-            mid_time = time.time()
-            dt = mid_time - before_time
-            if dt >= TIMEOUT_HALF:
-                raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
+            try:
+                select.select([], [], [], TIMEOUT_FULL)
+            except InterruptedError:
+                pass
+            else:
+                raise Exception("select() was not interrupted")
+
+            before_time = time.time()
             select.select([read], [], [], TIMEOUT_FULL)
             after_time = time.time()
-            dt = after_time - mid_time
+            dt = after_time - before_time
             if dt >= TIMEOUT_HALF:
                 raise Exception("%s >= %s" % (dt, TIMEOUT_HALF))
         """, signal.SIGALRM)