From ea25e20c88b6bfdc739f00774c500cf4abd55d6f Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Mon, 7 May 2018 10:55:18 +0800
Subject: [PATCH] more random seed

---
 lualib-src/lua-crypt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lualib-src/lua-crypt.c b/lualib-src/lua-crypt.c
index 6959f171..e34a939a 100644
--- a/lualib-src/lua-crypt.c
+++ b/lualib-src/lua-crypt.c
@@ -7,6 +7,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #define SMALL_CHUNK 256
 
@@ -960,7 +961,7 @@ luaopen_skynet_crypt(lua_State *L) {
 	if (!init) {
 		// Don't need call srandom more than once.
 		init = 1 ;
-		srandom(time(NULL));
+		srandom((time(NULL) << 16) ^ getpid());
 	}
 	luaL_Reg l[] = {
 		{ "hashkey", lhashkey },