From 4998078d2aa2d089058cf8ffd3efab729fb9a990 Mon Sep 17 00:00:00 2001
From: nagadomi <nagadomi@nurs.or.jp>
Date: Fri, 21 Oct 2016 00:21:57 +0900
Subject: [PATCH] use threads.safe to avoid deadlock problem

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

diff --git a/train.lua b/train.lua
index 22ac1c9..c0ea923 100644
--- a/train.lua
+++ b/train.lua
@@ -54,6 +54,7 @@ local function transform_pool_init(has_resize, offset)
    g_mutex_id = g_mutex:id()
    g_transform_pool = threads.Threads(
       nthread,
+      threads.safe(
       function(threadid)
 	 require 'pl'
 	 local __FILE__ = (function() return string.gsub(debug.getinfo(2, 'S').source, "^@", "") end)()
@@ -184,7 +185,7 @@ local function transform_pool_init(has_resize, offset)
 					      n, conf)
 	    end
 	 end
-      end
+      end)
    )
    g_transform_pool:synchronize()
 end