incubator-nuttx/include/nuttx/reboot_notifier.h

87 lines
3.1 KiB
C

/****************************************************************************
* include/nuttx/reboot_notifier.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_NUTTX_REBOOT_NOTIFIER_H
#define __INCLUDE_NUTTX_REBOOT_NOTIFIER_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/notifier.h>
#include <sys/types.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define SYS_RESTART 0x0001 /* Notify of system restart */
#define SYS_HALT 0x0002 /* Notify of system halt */
#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
/****************************************************************************
* Public Function
****************************************************************************/
/****************************************************************************
* Name: register_reboot_notifier
*
* Description:
* Add notifier to the reboot notifier chain
*
* Input Parameters:
* nb - New entry in notifier chain
*
****************************************************************************/
void register_reboot_notifier(FAR struct notifier_block *nb);
/****************************************************************************
* Name: unregister_reboot_notifier
*
* Description:
* Remove notifier from the reboot notifier chain
*
* Input Parameters:
* nb - Entry to remove from notifier chain
*
****************************************************************************/
void unregister_reboot_notifier(FAR struct notifier_block *nb);
/****************************************************************************
* Name: reboot_notifier_call_chain
*
* Description:
* Call functions in the reboot notifier chain.
*
* Input Parameters:
* action - Value passed unmodified to notifier function
* data - Pointer passed unmodified to notifier function
*
****************************************************************************/
void reboot_notifier_call_chain(unsigned long action, FAR void *data);
#endif /* __INCLUDE_NUTTX_REBOOT_NOTIFIER_H */