From 6cf0aadb71396a2844d9f4d237fb173ff717ec83 Mon Sep 17 00:00:00 2001
From: lisownjay <lisownjay@qq.com>
Date: Wed, 19 Aug 2015 17:38:34 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=8D=95=E7=BA=BF=E7=A8=8B?=
 =?UTF-8?q?=E8=BF=90=E8=A1=8Cbug?=
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num_threads_为0，将导致运行时抛异常，异常如下：
terminate called after throwing an instance of 'std::runtime_error'
  what():  io_service_pool size is 0
---
 include/cinatra/cinatra.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/cinatra/cinatra.hpp b/include/cinatra/cinatra.hpp
index d83e7baf..2f1b7189 100644
--- a/include/cinatra/cinatra.hpp
+++ b/include/cinatra/cinatra.hpp
@@ -170,7 +170,7 @@ namespace cinatra
 
 	private:
 #ifndef CINATRA_SINGLE_THREAD
-	int num_threads_ = 0;
+	int num_threads_ = 1;
 #else
 	int num_threads_ = std::thread::hardware_concurrency();
 #endif // CINATRA_SINGLE_THREAD