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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#ifndef _MNTMONITOR_PRIVATE_H
#define _MNTMONITOR_PRIVATE_H
#include "c.h"
#include <stdbool.h>
struct monitor_opers;
struct monitor_entry {
int fd; /* private entry file descriptor */
int id; /* external identifier (-1 for undefined) */
char *path; /* path to the monitored file */
int type; /* MNT_MONITOR_TYPE_* */
uint32_t events; /* wanted epoll events */
const struct monitor_opers *opers;
void *data; /* private type-specific data */
bool enabled, /* monitoring fd */
active; /* ready for mnt_monitor_next_change() */
struct list_head ents;
};
struct libmnt_monitor {
int refcount;
int fd; /* public monitor file descriptor */
struct list_head ents;
struct monitor_entry *last; /* last active returned by mnt_monitor_next_change() */
bool kernel_veiled;
};
struct monitor_opers {
int (*op_get_fd)(struct libmnt_monitor *, struct monitor_entry *);
int (*op_close_fd)(struct libmnt_monitor *, struct monitor_entry *);
int (*op_free_data)(struct monitor_entry *);
int (*op_process_event)(struct libmnt_monitor *, struct monitor_entry *);
int (*op_next_fs)(struct libmnt_monitor *, struct monitor_entry *, struct libmnt_fs *);
};
int monitor_modify_epoll(struct libmnt_monitor *mn, struct monitor_entry *me, int enable);
struct monitor_entry *monitor_get_entry(struct libmnt_monitor *mn, int type, int id);
struct monitor_entry *monitor_new_entry(struct libmnt_monitor *mn);
void free_monitor_entry(struct monitor_entry *me);
#endif /* _MNTMONITOR_PRIVATE_H */
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