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/*******************************************************************************
Copyright (c) 2011 Dmitry Matveev <me@dmitrymatveev.co.uk>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*******************************************************************************/
#ifndef __WATCH_H__
#define __WATCH_H__
#include <sys/event.h> /* kevent */
#include <stdint.h> /* uint32_t */
#include <dirent.h> /* ino_t */
#include "dep-list.h"
typedef enum watch_type {
WATCH_USER,
WATCH_DEPENDENCY,
} watch_type_t;
typedef struct watch {
watch_type_t type; /* a type of a watch */
int is_directory; /* a flag, a directory or not */
uint32_t flags; /* flags in the inotify format */
char *filename; /* file name of a watched file
* NB: an entry file name for dependencies! */
int fd; /* file descriptor of a watched entry */
ino_t inode; /* inode number for the watched entry */
struct kevent *event; /* a pointer to the associated kevent */
union {
dep_list *deps; /* dependencies for an user-defined watch */
struct watch *parent; /* parent watch for an automatic (dependency) watch */
};
} watch;
int watch_init (watch *w,
watch_type_t watch_type,
struct kevent *kv,
const char *path,
const char *entry_name,
uint32_t flags,
int index);
int watch_reopen (watch *w);
void watch_free (watch *w);
#endif /* __WATCH_H__ */
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