From dc299bc7ec0a60f95266320408ce20e85f1f6105 Mon Sep 17 00:00:00 2001
From: wevsty <11432483+wevsty@users.noreply.github.com>
Date: Tue, 25 Feb 2020 11:23:42 +0800
Subject: [PATCH] fix kill_horse will cause zombie processes (#1194)

* fix kill_horse will cause zombie processes

fix issue #1193

* Update tips message
---
 rq/worker.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rq/worker.py b/rq/worker.py
index 789a2e8..edb3a03 100644
--- a/rq/worker.py
+++ b/rq/worker.py
@@ -376,6 +376,8 @@ class Worker(object):
         """
         try:
             os.kill(self.horse_pid, sig)
+            os.waitpid(self.horse_pid, 0)
+            self.log.info('Killed horse pid %s', self.horse_pid)
         except OSError as e:
             if e.errno == errno.ESRCH:
                 # "No such process" is fine with us