From c5a877d2aabb8483ad5b7f1ef6233381f68ab9fb Mon Sep 17 00:00:00 2001
From: skywind3000 <skywind3000@163.com>
Date: Tue, 30 Dec 2014 10:48:21 +0800
Subject: [PATCH] new comment

---
 ikcp.c | 10 ++++++++++
 ikcp.h |  4 ++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/ikcp.c b/ikcp.c
index 37ae851..7f4e8d7 100644
--- a/ikcp.c
+++ b/ikcp.c
@@ -1072,6 +1072,16 @@ void ikcp_update(ikcpcb *kcp, IUINT32 current)
 }
 
 
+//---------------------------------------------------------------------
+// Determine when should you invoke ikcp_update:
+// if there is no ikcp_input/_send calling, you can call ikcp_update
+// after millisecs ikcp_check returns, instead of call update repeatly.
+// It is important to reduce unnacessary ikcp_update calling. you can 
+// just call ikcp_update in a very small interval, or you can use it to 
+// schedule ikcp_update calling (eg. when you are implementing an epoll
+// like mechanism, or optimize ikcp_update when handling massive kcp 
+// connections)
+//---------------------------------------------------------------------
 IUINT32 ikcp_check(const ikcpcb *kcp, IUINT32 current)
 {
 	IUINT32 ts_flush = kcp->ts_flush;
diff --git a/ikcp.h b/ikcp.h
index 3f0f77a..fda599f 100644
--- a/ikcp.h
+++ b/ikcp.h
@@ -347,11 +347,11 @@ int ikcp_send(ikcpcb *kcp, const char *buffer, int len);
 void ikcp_update(ikcpcb *kcp, IUINT32 current);
 
 // Determine when should you invoke ikcp_update:
-// if there is no incoming low level packet, you can invoke ikcp_update
+// if there is no ikcp_input/_send calling, you can call ikcp_update
 // after millisecs ikcp_check returns, instead of call update repeatly.
 // It is important to reduce unnacessary ikcp_update calling. you can 
 // just call ikcp_update in a very small interval, or you can use it to 
-// schedule ikcp_update invoking (eg. when you are implementing an epoll
+// schedule ikcp_update calling (eg. when you are implementing an epoll
 // like mechanism, or optimize ikcp_update when handling massive kcp 
 // connections)
 IUINT32 ikcp_check(const ikcpcb *kcp, IUINT32 current);