/* Copyright (C) 2005-2018 Free Software Foundation, Inc.

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This file is part of the GNU C Library.

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The GNU C Library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public

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License as published by the Free Software Foundation; either

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version 2.1 of the License, or (at your option) any later version.

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The GNU C Library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; if not, see

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<http://www.gnu.org/licenses/>. */

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#ifndef _SYS_INOTIFY_H

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#define _SYS_INOTIFY_H 1

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#include <stdint.h>

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/* Get the platform-dependent flags. */

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#include <bits/inotify.h>

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/* Structure describing an inotify event. */

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struct inotify_event

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{

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int wd; /* Watch descriptor. */

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uint32_t mask; /* Watch mask. */

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uint32_t cookie; /* Cookie to synchronize two events. */

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uint32_t len; /* Length (including NULs) of name. */

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char name __flexarr; /* Name. */

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};

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/* Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. */

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#define IN_ACCESS 0x00000001 /* File was accessed. */

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#define IN_MODIFY 0x00000002 /* File was modified. */

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#define IN_ATTRIB 0x00000004 /* Metadata changed. */

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#define IN_CLOSE_WRITE 0x00000008 /* Writtable file was closed. */

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#define IN_CLOSE_NOWRITE 0x00000010 /* Unwrittable file closed. */

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#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */

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#define IN_OPEN 0x00000020 /* File was opened. */

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#define IN_MOVED_FROM 0x00000040 /* File was moved from X. */

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#define IN_MOVED_TO 0x00000080 /* File was moved to Y. */

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#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */

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#define IN_CREATE 0x00000100 /* Subfile was created. */

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#define IN_DELETE 0x00000200 /* Subfile was deleted. */

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#define IN_DELETE_SELF 0x00000400 /* Self was deleted. */

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#define IN_MOVE_SELF 0x00000800 /* Self was moved. */

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/* Events sent by the kernel. */

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#define IN_UNMOUNT 0x00002000 /* Backing fs was unmounted. */

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#define IN_Q_OVERFLOW 0x00004000 /* Event queued overflowed. */

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#define IN_IGNORED 0x00008000 /* File was ignored. */

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/* Helper events. */

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#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE) /* Close. */

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#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* Moves. */

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/* Special flags. */

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#define IN_ONLYDIR 0x01000000 /* Only watch the path if it is a

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directory. */

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#define IN_DONT_FOLLOW 0x02000000 /* Do not follow a sym link. */

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#define IN_EXCL_UNLINK 0x04000000 /* Exclude events on unlinked

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objects. */

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#define IN_MASK_ADD 0x20000000 /* Add to the mask of an already

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existing watch. */

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#define IN_ISDIR 0x40000000 /* Event occurred against dir. */

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#define IN_ONESHOT 0x80000000 /* Only send event once. */

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/* All events which a program can wait on. */

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#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE \

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| IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM \

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| IN_MOVED_TO | IN_CREATE | IN_DELETE \

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| IN_DELETE_SELF | IN_MOVE_SELF)

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__BEGIN_DECLS

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/* Create and initialize inotify instance. */

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extern int inotify_init (void) __THROW;

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/* Create and initialize inotify instance. */

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extern int inotify_init1 (int __flags) __THROW;

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/* Add watch of object NAME to inotify instance FD. Notify about

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events specified by MASK. */

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extern int inotify_add_watch (int __fd, const char *__name, uint32_t __mask)

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__THROW;

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/* Remove the watch specified by WD from the inotify instance FD. */

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extern int inotify_rm_watch (int __fd, int __wd) __THROW;

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__END_DECLS

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#endif /* sys/inotify.h */

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