From 72167f99bb90e3ac85ce067c442d80be1d225b65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=85=83=E4=B9=99?= <davidzhang.zc@alibaba-inc.com>
Date: Wed, 13 Dec 2017 13:48:21 +0800
Subject: [PATCH] [modify] refine ststoken switch

---
 src/log_producer_config.c | 3 ++-
 src/log_producer_config.h | 2 +-
 src/log_producer_sender.c | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/log_producer_config.c b/src/log_producer_config.c
index 4c791cc..330de68 100644
--- a/src/log_producer_config.c
+++ b/src/log_producer_config.c
@@ -407,7 +407,8 @@ void log_producer_config_set_sts_token(log_producer_config * config, const char
     char * tmpBuf = (char *)malloc(tokenLen + 1);
     strncpy(tmpBuf, token, tokenLen);
     tmpBuf[tokenLen] = '\0';
-    char * oldToken = (char *)apr_atomic_xchgptr((volatile void **)&config->stsToken, tmpBuf);
+    void * stsTokenPtr = (void *)&config->stsToken;
+    char * oldToken = (char *)apr_atomic_xchgptr(stsTokenPtr, tmpBuf);
     if (oldToken != NULL)
     {
         free(oldToken);
diff --git a/src/log_producer_config.h b/src/log_producer_config.h
index 5eb281b..7d75cd6 100644
--- a/src/log_producer_config.h
+++ b/src/log_producer_config.h
@@ -95,7 +95,7 @@ typedef struct _log_producer_config
     char * logstore;
     char * accessKeyId;
     char * accessKey;
-    volatile char * stsToken;
+    char * stsToken;
     char * configName;
     char * topic;
     log_producer_config_tag * tags;
diff --git a/src/log_producer_sender.c b/src/log_producer_sender.c
index 1b238ed..41c423e 100644
--- a/src/log_producer_sender.c
+++ b/src/log_producer_sender.c
@@ -56,10 +56,11 @@ void * log_producer_send_fun(apr_thread_t * thread, void * param)
     }
     do
     {
+        void * stsTokenPtr = (void *)&config->stsToken;
         log_http_cont* cont =  log_create_http_cont_with_lz4_data(config->endpoint,
                                                                   config->accessKeyId,
                                                                   config->accessKey,
-                                                                  (char *)apr_atomic_casptr((volatile void **)(&config->stsToken), NULL, NULL),
+                                                                  (char *)apr_atomic_casptr(stsTokenPtr, NULL, NULL),
                                                                   config->project,
                                                                   config->logstore,
                                                                   send_param->log_buf,