Function: file-notify-rm-watch

file-notify-rm-watch is a byte-compiled function defined in filenotify.el.gz.

Signature

(file-notify-rm-watch DESCRIPTOR)

Documentation

Remove an existing watch specified by its DESCRIPTOR.

DESCRIPTOR should be an object returned by file-notify-add-watch.

Probably introduced at or before Emacs version 24.4.

Source Code

;; Defined in /usr/src/emacs/lisp/filenotify.el.gz
(defun file-notify-rm-watch (descriptor)
  "Remove an existing watch specified by its DESCRIPTOR.
DESCRIPTOR should be an object returned by `file-notify-add-watch'."
  (when-let* ((watch (gethash descriptor file-notify-descriptors)))
    ;; If we are called from a `stopped' event, do nothing.
    (when (file-notify--watch-callback watch)
      (let ((handler (find-file-name-handler
                      (file-notify--watch-directory watch)
                      'file-notify-rm-watch)))
        (condition-case nil
            (if handler
                ;; A file name handler could exist even if there is no
                ;; local file notification support.
                (funcall handler 'file-notify-rm-watch descriptor)

              (funcall
               (cond
                ((eq file-notify--library 'inotify) 'inotify-rm-watch)
                ((eq file-notify--library 'kqueue) 'kqueue-rm-watch)
                ((eq file-notify--library 'gfilenotify) 'gfile-rm-watch)
                ((eq file-notify--library 'w32notify) 'w32notify-rm-watch))
               descriptor))
          (file-notify-error nil)))
      ;; Modify `file-notify-descriptors' and send a `stopped' event.
      (file-notify--rm-descriptor descriptor))))