fix(sync): save saveErr

include/libs/sync/sync.h

@@ -199,7 +199,7 @@ const char* syncGetMyRoleStr(int64_t rid);
 SyncTerm    syncGetMyTerm(int64_t rid);
 SyncGroupId syncGetVgId(int64_t rid);
 void        syncGetEpSet(int64_t rid, SEpSet* pEpSet);
-int32_t     syncPropose(int64_t rid, const SRpcMsg* pMsg, bool isWeak);
+int32_t     syncPropose(int64_t rid, SRpcMsg* pMsg, bool isWeak);
 bool        syncEnvIsStart();
 const char* syncStr(ESyncState state);
 bool        syncIsRestoreFinish(int64_t rid);

source/libs/sync/src/syncMain.c

@@ -584,7 +584,7 @@ void setHeartbeatTimerMS(int64_t rid, int32_t hbTimerMS) {
   taosReleaseRef(tsNodeRefId, pSyncNode->rid);
 }
 
-int32_t syncPropose(int64_t rid, const SRpcMsg* pMsg, bool isWeak) {
+int32_t syncPropose(int64_t rid, SRpcMsg* pMsg, bool isWeak) {
   int32_t ret = 0;
 
   SSyncNode* pSyncNode = taosAcquireRef(tsNodeRefId, rid);

source/libs/sync/src/syncRaftLog.c

@@ -242,7 +242,10 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
     sError("raftLogGetEntry error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr,
            linuxErrMsg);
 
+    int32_t saveErr = terrno;
     walCloseReadHandle(pWalHandle);
+    terrno = saveErr;
+
     return code;
   }
 
@@ -257,8 +260,9 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
   ASSERT((*ppEntry)->dataLen == pWalHandle->pHead->head.bodyLen);
   memcpy((*ppEntry)->data, pWalHandle->pHead->head.body, pWalHandle->pHead->head.bodyLen);
 
-  // need to hold, do not new every time!!
+  int32_t saveErr = terrno;
   walCloseReadHandle(pWalHandle);
+  terrno = saveErr;
 
   return code;
 }
@@ -409,8 +413,10 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
     ASSERT(pEntry->dataLen == pWalHandle->pHead->head.bodyLen);
     memcpy(pEntry->data, pWalHandle->pHead->head.body, pWalHandle->pHead->head.bodyLen);
 
-    // need to hold, do not new every time!!
+    int32_t saveErr = terrno;
     walCloseReadHandle(pWalHandle);
+    terrno = saveErr;
+
     return pEntry;
 
   } else {