From c67d8276b7cf874c56e69a7ffa6f4f4168680634 Mon Sep 17 00:00:00 2001
From: Helin Wang <ustc.harry@gmail.com>
Date: Mon, 24 Jul 2017 23:10:37 +0000
Subject: [PATCH] fix according to comments

---
 go/master/c/client.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/go/master/c/client.go b/go/master/c/client.go
index 6d329937f0c..a2b18e4b474 100644
--- a/go/master/c/client.go
+++ b/go/master/c/client.go
@@ -22,6 +22,9 @@ package main
 #define PADDLE_MASTER_OK    0
 #define PADDLE_MASTER_ERROR -1
 
+#define PADDLE_SAVE_MODEL_OK   1
+#define PADDLE_SAVE_MODEL_SKIP 0
+
 typedef int paddle_master_client;
 */
 import "C"
@@ -146,7 +149,7 @@ func paddle_next_record(client C.paddle_master_client, record **C.uchar) C.int {
 // paddle_request_save_model requests the master server to approve the
 // caller to save the model.
 //
-// returns 1 if the save the model request is approved, 0 if does the
+// returns 1 if the save the model request is approved, 0 if the
 // request is rejected because other trainer is saving the model, -1
 // if error happened.
 //
@@ -156,14 +159,14 @@ func paddle_request_save_model(client C.paddle_master_client, trainerID string,
 	need, err := c.RequestSaveModel(trainerID, time.Duration(blockMS)*time.Millisecond)
 	if err != nil {
 		log.Errorln(err)
-		return -1
+		return C.PADDLE_MASTER_ERROR
 	}
 
 	if need {
-		return 1
+		return C.PADDLE_SAVE_MODEL_OK
 	}
 
-	return 0
+	return C.PADDLE_SAVE_MODEL_SKIP
 }
 
 //export mem_free
-- 
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