255     void InsertConn(TcpKeepConn* conn) {  in InsertConn()  argument
256         if (conn->_keep_flag & TCP_KEEP_IN_LIST) {  in InsertConn()
259         TAILQ_INSERT_TAIL(&_keep_list, conn, _keep_entry);  in InsertConn()
260         conn->_keep_flag |= TCP_KEEP_IN_LIST;  in InsertConn()
263     void RemoveConn(TcpKeepConn* conn) {  in RemoveConn()  argument
264         if (!(conn->_keep_flag & TCP_KEEP_IN_LIST)) {  in RemoveConn()
267         TAILQ_REMOVE(&_keep_list, conn, _keep_entry);  in RemoveConn()
268         conn->_keep_flag &= ~TCP_KEEP_IN_LIST;  in RemoveConn()
294     bool CacheTcpKeepConn(TcpKeepConn* conn);    
296     bool RemoveTcpKeepConn(TcpKeepConn* conn); 
298     void FreeTcpKeepConn(TcpKeepConn* conn, bool force_free);    
319     void FreeConnection(IMtConnection* conn, bool force_free);
321     void CloseIdleTcpKeep(TcpKeepConn* conn);