xiaoxiang781216 commented on a change in pull request #5014: URL: https://github.com/apache/incubator-nuttx/pull/5014#discussion_r771825706
########## File path: include/sys/timerfd.h ########## @@ -0,0 +1,80 @@ +/**************************************************************************** + * include/sys/timerfd.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __INCLUDE_SYS_TIMERFD_H +#define __INCLUDE_SYS_TIMERFD_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <stdint.h> +#include <fcntl.h> +#include <time.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define TFD_NONBLOCK O_NONBLOCK +#define TFD_CLOEXEC O_CLOEXEC + +#define TFD_TIMER_ABSTIME TIMER_ABSTIME + +/* Get device minor number */ + +#define TFD_FIOC_MINOR FIOC_MINOR + +/**************************************************************************** + * Public Type Declarations + ****************************************************************************/ + +/* Type for timer counter */ + +typedef uint32_t timerfd_t; Review comment: After reread eventfd and timerfd man, it look better to use uint64_t if possible. Since the value return from read may different from Linux, timerfd_t typedef is good to notice people there is some difference. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
