From 43c62e1d3b090e43dbfa787ec36c0c8627c1b0a1 Mon Sep 17 00:00:00 2001
From: wxu <wxu@node101.(none)>
Date: Thu, 6 Aug 2015 20:44:24 +0800
Subject: [PATCH] add fflush for logging module

---
 src/utils/logging.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/logging.hpp b/src/utils/logging.hpp
index 96a1cfa17..6d0b98b5a 100644
--- a/src/utils/logging.hpp
+++ b/src/utils/logging.hpp
@@ -148,6 +148,7 @@ class Logger {
 
     vfprintf(log_fpo, fmt, lst);
     fprintf(log_fpo, "\n");
+    fflush(log_fpo) ; // clear output buffer
 
     spthread_mutex_unlock(&mutex);