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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed 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 _INIT_DEVICES_H
#define _INIT_DEVICES_H
#include <functional>
#include <sys/stat.h>
enum coldboot_action_t {
// coldboot continues without creating the device for the uevent
COLDBOOT_CONTINUE = 0,
// coldboot continues after creating the device for the uevent
COLDBOOT_CREATE,
// coldboot stops after creating the device for uevent but doesn't
// create the COLDBOOT_DONE file
COLDBOOT_STOP,
// same as COLDBOOT_STOP, but creates the COLDBOOT_DONE file
COLDBOOT_FINISH
};
struct uevent {
const char* action;
const char* path;
const char* subsystem;
const char* firmware;
const char* partition_name;
const char* device_name;
int partition_num;
int major;
int minor;
};
typedef std::function<coldboot_action_t(struct uevent* uevent)> coldboot_callback;
extern coldboot_action_t handle_device_fd(coldboot_callback fn = nullptr);
extern void device_init(const char* path = nullptr, coldboot_callback fn = nullptr);
extern void device_close();
extern int add_dev_perms(const char *name, const char *attr,
mode_t perm, unsigned int uid,
unsigned int gid, unsigned short prefix,
unsigned short wildcard);
int get_device_fd();
#endif /* _INIT_DEVICES_H */
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