/* * Copyright (C) 2003-2009 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. */ #include "update_internal.h" #include "notify.h" #include "event_pipe.h" #include "song.h" #include "playlist.h" #ifdef ENABLE_SQLITE #include "sticker.h" #include "song_sticker.h" #endif #include <glib.h> #include <assert.h> static const struct song *removed_song; static struct notify remove_notify; /** * Safely remove a song from the database. This must be done in the * main task, to be sure that there is no pointer left to it. */ static void song_remove_event(void) { char *uri; assert(removed_song != NULL); uri = song_get_uri(removed_song); g_debug("removing: %s", uri); g_free(uri); #ifdef ENABLE_SQLITE /* if the song has a sticker, remove it */ if (sticker_enabled()) sticker_song_remove(song); #endif playlist_delete_song(&g_playlist, removed_song); removed_song = NULL; notify_signal(&remove_notify); } void update_remove_global_init(void) { notify_init(&remove_notify); event_pipe_register(PIPE_EVENT_DELETE, song_remove_event); } void update_remove_global_finish(void) { notify_deinit(&remove_notify); } void update_remove_song(const struct song *song) { assert(removed_song == NULL); removed_song = song; event_pipe_emit(PIPE_EVENT_DELETE); do { notify_wait(&remove_notify); } while (removed_song != NULL); }