diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -427,7 +427,13 @@
 
     def _run_and_join(self, script):
         script = """if 1:
-            import sys, os, time, threading
+            import sys, os, time, threading, signal
+
+            try:
+                import faulthandler
+                faulthandler.enable()
+            except (ImportError, AttributeError):
+                pass
 
             # a thread, which waits for the main program to terminate
             def joiningfunc(mainthread):
@@ -482,8 +488,13 @@
             def worker():
                 childpid = os.fork()
                 if childpid != 0:
-                    os.waitpid(childpid, 0)
-                    sys.exit(0)
+                    for i in range(10):
+                        pid, _ = os.waitpid(childpid, os.WNOHANG)
+                        if pid == childpid:
+                            sys.exit(0)
+                        time.sleep(1)
+                    os.kill(childpid, signal.SIGABRT)
+                    os._exit(1)
 
                 t = threading.Thread(target=joiningfunc,
                                      args=(main_thread,))