src/inotify_source.h

   1 /*
   2  * Copyright (C) 2003-2010 The Music Player Daemon Project
   3  * http://www.musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #ifndef MPD_INOTIFY_SOURCE_H
  21 #define MPD_INOTIFY_SOURCE_H
  22
  23 #include <glib.h>
  24
  25 typedef void (*mpd_inotify_callback_t)(int wd, unsigned mask,
  26                                        const char *name, void *ctx);
  27
  28 struct mpd_inotify_source;
  29
  30 /**
  31  * Creates a new inotify source and registers it in the GLib main
  32  * loop.
  33  *
  34  * @param a callback invoked for events received from the kernel
  35  */
  36 struct mpd_inotify_source *
  37 mpd_inotify_source_new(mpd_inotify_callback_t callback, void *callback_ctx,
  38                        GError **error_r);
  39
  40 void
  41 mpd_inotify_source_free(struct mpd_inotify_source *source);
  42
  43 /**
  44  * Adds a path to the notify list.
  45  *
  46  * @return a watch descriptor or -1 on error
  47  */
  48 int
  49 mpd_inotify_source_add(struct mpd_inotify_source *source,
  50                        const char *path_fs, unsigned mask,
  51                        GError **error_r);
  52
  53 /**
  54  * Removes a path from the notify list.
  55  *
  56  * @param wd the watch descriptor returned by mpd_inotify_source_add()
  57  */
  58 void
  59 mpd_inotify_source_rm(struct mpd_inotify_source *source, unsigned wd);
  60
  61 #endif