From b478abcf5e5ffe4c52c1e796eac885cdaf413117 Mon Sep 17 00:00:00 2001
From: skywind3000 <skywind3000@163.com>
Date: Wed, 21 Nov 2018 20:47:15 +0800
Subject: [PATCH] update random name

---
 z.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/z.lua b/z.lua
index 32672ba..a6c39f1 100644
--- a/z.lua
+++ b/z.lua
@@ -614,7 +614,8 @@ function data_save(filename, M)
 			tmpname = tmpname .. '' ..rnd
 		end
 		local sub = (os.tmpname()):sub(-6, -1):gsub('[\\/:~]', '')
-		tmpname = tmpname .. sub
+		local ppid = os.getenv('PPID')
+		tmpname = tmpname .. sub .. (ppid and ppid or '')
 		fp = io.open(tmpname, 'w')
 	end
 	if fp == nil then