From b8bb327f98e6d86ddffc5685b6a985f66bec8648 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Mon, 6 Jun 2016 16:21:59 +0800
Subject: [PATCH] make coroutine_pool weak would be better

---
 lualib/skynet.lua       | 7 +------
 lualib/skynet/debug.lua | 1 -
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/lualib/skynet.lua b/lualib/skynet.lua
index 08a3fa13..abb568c8 100644
--- a/lualib/skynet.lua
+++ b/lualib/skynet.lua
@@ -95,7 +95,7 @@ end
 
 -- coroutine reuse
 
-local coroutine_pool = {}
+local coroutine_pool = setmetatable({}, { __mode = "kv" })
 
 local function co_create(f)
 	local co = table.remove(coroutine_pool)
@@ -661,15 +661,10 @@ function skynet.memlimit(bytes)
 	skynet.memlimit = nil	-- set only once
 end
 
-local function clear_pool()
-	coroutine_pool = {}
-end
-
 -- Inject internal debug framework
 local debug = require "skynet.debug"
 debug(skynet, {
 	dispatch = skynet.dispatch_message,
-	clear = clear_pool,
 	suspend = suspend,
 })
 
diff --git a/lualib/skynet/debug.lua b/lualib/skynet/debug.lua
index 3d6ff33c..957a2588 100644
--- a/lualib/skynet/debug.lua
+++ b/lualib/skynet/debug.lua
@@ -20,7 +20,6 @@ function dbgcmd.MEM()
 end
 
 function dbgcmd.GC()
-	export.clear()
 	collectgarbage "collect"
 end