And there is also code to "steal", http://jnotify.sourceforge.net/.
On 1/12/2012 1:19 AM, Eric Wasylishen wrote:
There is an api in glib for file system monitoring; I've never tried
it though.
http://developer.gnome.org/gio/stable/GFileMonitor.html
Eric
On 2012-01-11, at 9:33 AM, Lucas Holt wrote:
There isn't a good, portable way to do this. On BSD, most kqueue
approaches to this problem use up a lot of file descriptors. Kqueue
is generalized for events so inotify does a better job with this
specific problem. Someone tried to implement inotify for the
linuxolator aka Linux emulation on FreeBSD a few years back but got
stuck on some nasty process accounting. That code is in their
perforce repository and might have been a summer of code project.
There are several existing open source daemons that provide this
functionality you can look at. Gamin for instance
Lucas Holt
On Jan 11, 2012, at 9:28 AM, Ivan Vuc(ica <[email protected]
<mailto:[email protected]>> wrote:
>From what I could Google around, apparently this is done on OS X
with FSEvent APIs. Quickly skimming through GNUstep's
NSFileManager.m, I did not find any salient reference to "monitor",
"watch" or "observe".
Here's what appears to be a Linux-related documentation for a
C-based API called "inotify":
http://www.linuxjournal.com/article/8478
This IBM article also describes "inotify" on Linux:
http://www.ibm.com/developerworks/linux/library/l-ubuntu-inotify/index.html
but also mentions how to accomplish this on BSD OSes using something
called kqueues. Quote:
*Note:* FreeBSD and thus Mac OS X provide an analog of inotify
called /kqueue./ Type |man 2 kqueue| on a FreeBSD machine for
more information.
I have never experimented with either of these three mentioned APIs.
On Wed, Jan 11, 2012 at 10:28, Andreas Höschler
<[email protected] <mailto:[email protected]>> wrote:
Hi all,
my tool needs to get aware of any changes in the file system
under a given directory (e.g. /home), for example if
. a new file is created in /home/tommy/Documents
. a file is removed anywhere below /home
. a file /home/herbert/test.conf gets modified
. ...
I think I have once seen some method of NSFileManager or
NSWorkspace that does exactly that, but I don't know this for
sure and I can't find anything suitable in the class references.
Any idea?
I could for sure iterate through the dir with
contentsOfDirectoryAtPath: and compare the size and attributes
of any file with log entries, but this seems rather cumbersome! :-(
Hints greatly appreciated!
Thanks a lot,
Andreas
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