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/* Copyright (C) 2005, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _SYS_INOTIFY_H
#define _SYS_INOTIFY_H 1
#include <stdint.h>
/* Flags for the parameter of inotify_init1. */
enum
{
IN_CLOEXEC = 02000000,
#define IN_CLOEXEC IN_CLOEXEC
IN_NONBLOCK = 04000
#define IN_NONBLOCK IN_NONBLOCK
};
/* Structure describing an inotify event. */
struct inotify_event
{
int wd; /* Watch descriptor. */
uint32_t mask; /* Watch mask. */
uint32_t cookie; /* Cookie to synchronize two events. */
uint32_t len; /* Length (including NULs) of name. */
char name __flexarr; /* Name. */
};
/* Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. */
#define IN_ACCESS 0x00000001 /* File was accessed. */
#define IN_MODIFY 0x00000002 /* File was modified. */
#define IN_ATTRIB 0x00000004 /* Metadata changed. */
#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed. */
#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed. */
#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */
#define IN_OPEN 0x00000020 /* File was opened. */
#define IN_MOVED_FROM 0x00000040 /* File was moved from X. */
#define IN_MOVED_TO 0x00000080 /* File was moved to Y. */
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */
#define IN_CREATE 0x00000100 /* Subfile was created. */
#define IN_DELETE 0x00000200 /* Subfile was deleted. */
#define IN_DELETE_SELF 0x00000400 /* Self was deleted. */
#define IN_MOVE_SELF 0x00000800 /* Self was moved. */
/* Events sent by the kernel. */
#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted. */
#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed. */
#define IN_IGNORED 0x00008000 /* File was ignored. */
/* Helper events. */
#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */
/* Special flags. */
#define IN_ONLYDIR 0x01000000 /* Only watch the path if it is a
directory. */
#define IN_DONT_FOLLOW 0x02000000 /* Do not follow a sym link. */
#define IN_EXCL_UNLINK 0x04000000 /* Exclude events on unlinked
objects. */
#define IN_MASK_ADD 0x20000000 /* Add to the mask of an already
existing watch. */
#define IN_ISDIR 0x40000000 /* Event occurred against dir. */
#define IN_ONESHOT 0x80000000 /* Only send event once. */
/* All events which a program can wait on. */
#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE \
| IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM \
| IN_MOVED_TO | IN_CREATE | IN_DELETE \
| IN_DELETE_SELF | IN_MOVE_SELF)
__BEGIN_DECLS
/* Create and initialize inotify instance. */
extern int inotify_init (void) __THROW;
/* Create and initialize inotify instance. */
extern int inotify_init1 (int __flags) __THROW;
/* Add watch of object NAME to inotify instance FD. Notify about
events specified by MASK. */
extern int inotify_add_watch (int __fd, const char *__name, uint32_t __mask)
__THROW;
/* Remove the watch specified by WD from the inotify instance FD. */
extern int inotify_rm_watch (int __fd, int __wd) __THROW;
__END_DECLS
#endif /* sys/inotify.h */
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