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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* File: watch.h
* Author: Shaun Wetzstein <shaun@us.ibm.com>
* Descr: Directory activity callback monitor
* Note:
* Date: 10/03/10
*/
#ifndef __WATCH_H__
#define __WATCH_H__
#include <stdint.h>
#include <stdbool.h>
#include <sys/inotify.h>
#include "attribute.h"
#include "builtin.h"
#include "assert.h"
#include "array.h"
/* ==================================================================== */
#define WATCH_ACCESS IN_ACCESS
#define WATCH_ATTRIB IN_ATTRIB
#define WATCH_CLOSE_WRITE IN_CLOSE_WRITE
#define WATCH_CLOSE_NOWRITE IN_CLOSE_NOWRITE
#define WATCH_CREATE IN_CREATE
#define WATCH_DELETE IN_DELETE
#define WATCH_DELETE_SELF IN_DELETE_SELF
#define WATCH_MODIFY IN_MODIFY
#define WATCH_MOVE_SELF IN_MOVE_SELF
#define WATCH_MOVE_FROM IN_MOVE_FROM
#define WATCH_MOVE_TO IN_MOVE_TO
#define WATCH_OPEN IN_OPEN
typedef struct watch watch_t;
typedef struct watch_callback watch_callback_t;
typedef struct inotify_event watch_event_t;
typedef int (*watch_f) (watch_event_t *);
struct watch {
int fd;
array_t callbacks;
};
struct watch_callback {
void *data;
watch_f func;
};
/* ======================================================================= */
extern void watch_init(watch_t * self) __nonnull((1));
extern void watch_delete(watch_t * self) __nonnull((1));
extern int watch_fileno(watch_t * self) __nonnull((1));
extern uint32_t watch_add(watch_t * self, const char *path, uint32_t events,
watch_callback_t * cb) __nonnull((1, 2));
extern void watch_remove(watch_t * self, uint32_t wd) __nonnull((1));
extern void watch_wait(watch_t * self) __nonnull((1));
/* ======================================================================= */
#endif /* __watch_H__ */
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