Method System.Inotify.Instance()->add_watch()
- Method add_watch
int add_watch(string filename, int mask, function(int, int, string, mixed ... :void) callback, mixed ... extra)
- Description
Add a watch for a certain file and a set of events specified by
mask
. The functioncallback
will be called when such an event occurs. The arguments to the callback will be the events mask, the cookie, thefilename
andextra
.- Returns
Returns a watch descriptor which can be used to remove the watch.
- Note
When adding a second watch for the same file the old one will be removed unless System.Inotify.IN_MASK_ADD is contained in
mask
.- Note
The mask of an event may be a subset of the mask given when adding the watch.
- Note
In case the watch is added for a regular file, the filename will be passed to the callback. In case the watch is added for a directory, the name of the file to which the event happened inside the directory will be concatenated.