diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 2fc0d07..ef85be5 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -697,11 +697,11 @@
                                 "win_console_handler.py")],
                    creationflags=subprocess.CREATE_NEW_PROCESS_GROUP)
         # Let the interpreter startup before we send signals. See #3137.
-        time.sleep(0.1)
+        time.sleep(0.5)
         os.kill(proc.pid, event)
         # proc.send_signal(event) could also be done here.
         # Allow time for the signal to be passed and the process to exit.
-        time.sleep(0.1)
+        time.sleep(0.5)
         if not proc.poll():
             # Forcefully kill the process if we weren't able to signal it.
             os.kill(proc.pid, signal.SIGINT)
diff --git a/Lib/test/win_console_handler.py b/Lib/test/win_console_handler.py
index 5c6c741..17bbe1a 100644
--- a/Lib/test/win_console_handler.py
+++ b/Lib/test/win_console_handler.py
@@ -39,4 +39,5 @@
         exit(-1)
 
     # Do nothing but wait for the signal
-    input()
+    while True:
+        pass