-.\" man2/inotify_add_watch.2 - inotify_add_watch man page
-.\"
.\" Copyright (C) 2005 Robert Love
.\" and Copyright, 2006 Michael Kerrisk
.\"
+.\" %%%LICENSE_START(GPLv2+_DOC_FULL)
.\" This is free documentation; 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
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
-.\" License along with this manual; if not, write to the Free
-.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
-.\" USA.
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+.\" %%%LICENSE_END
.\"
.\" 2005-07-19 Robert Love <rlove@rlove.org> - initial version
.\" 2006-02-07 mtk, various changes
.\"
-.TH INOTIFY_ADD_WATCH 2 2010-10-20 "Linux" "Linux Programmer's Manual"
+.TH INOTIFY_ADD_WATCH 2 2014-07-08 "Linux" "Linux Programmer's Manual"
.SH NAME
inotify_add_watch \- add a watch to an initialized inotify instance
.SH SYNOPSIS
A successful call to
.BR inotify_add_watch ()
-returns the unique watch descriptor associated with
-.I pathname
-for this inotify instance.
-If
-.I pathname
+returns a unique watch descriptor for this inotify instance,
+for the filesystem object that corresponds to
+.IR pathname .
+If the filesystem object
was not previously being watched by this inotify instance,
then the watch descriptor is newly allocated.
-If
-.I pathname
-was already being watched, then the descriptor
+If the filesystem object was already being watched
+(perhaps via a different link to the same object), then the descriptor
for the existing watch is returned.
The watch descriptor is returned by later
.I inotify_event
structures (see
.BR inotify (7))
-indicating file system events;
+indicating filesystem events;
the watch descriptor inside this structure identifies
the object for which the event occurred.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
On success,
.BR inotify_add_watch ()
returns a nonnegative watch descriptor.
-On error \-1 is returned and
+On error, \-1 is returned and
.I errno
is set appropriately.
.SH ERRORS
.I fd
is not an inotify file descriptor.
.TP
+.B ENAMETOOLONG
+.I pathname
+is too long.
+.TP
.B ENOENT
A directory component in
.I pathname
kernel failed to allocate a needed resource.
.SH VERSIONS
Inotify was merged into the 2.6.13 Linux kernel.
-.SH "CONFORMING TO"
+.SH CONFORMING TO
This system call is Linux-specific.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR inotify_init (2),
.BR inotify_rm_watch (2),
.BR inotify (7)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.