mpd/src/inotify_source.h

/*
 * Copyright (C) 2003-2011 The Music Player Daemon Project
 * http://www.musicpd.org
 *
 * This program is free software; 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 the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef MPD_INOTIFY_SOURCE_H
#define MPD_INOTIFY_SOURCE_H

#include <glib.h>

typedef void (*mpd_inotify_callback_t)(int wd, unsigned mask,
				       const char *name, void *ctx);

struct mpd_inotify_source;

/**
 * Creates a new inotify source and registers it in the GLib main
 * loop.
 *
 * @param a callback invoked for events received from the kernel
 */
struct mpd_inotify_source *
mpd_inotify_source_new(mpd_inotify_callback_t callback, void *callback_ctx,
		       GError **error_r);

void
mpd_inotify_source_free(struct mpd_inotify_source *source);

/**
 * Adds a path to the notify list.
 *
 * @return a watch descriptor or -1 on error
 */
int
mpd_inotify_source_add(struct mpd_inotify_source *source,
		       const char *path_fs, unsigned mask,
		       GError **error_r);

/**
 * Removes a path from the notify list.
 *
 * @param wd the watch descriptor returned by mpd_inotify_source_add()
 */
void
mpd_inotify_source_rm(struct mpd_inotify_source *source, unsigned wd);

#endif