Merge branch 'mk/directory'

* mk/directory: (59 commits)
  directory: don't use identical struct and variable names
  update: replaced update_return with global "modified" flag
  update: make the variable "progress" static
  update: don't print debug message when song was not modified
  update: fix memory leak in directory_update_init()
  update: make the job id unsigned
  update: job ID must be positive
  update: check progress!=IDLE in reap_update_task()
  update: fixed stack corruption due to pthread_join() call
  updated: always call removeDeletedFromDirectory()
  update: eliminated addSubDirectoryToDirectory()
  update: make the "song" variable more local
  update: do the recursive directory check only once
  update: copy stat to new directory
  update: avoid duplicate stat() calls
  update: rewrote updatePath() using updateInDirectory()
  update: don't export updateDirectory()
  update: pass const pointer to addSubDirectoryToDirectory()
  update: never pass root path to updatePath()
  update: merged addDirectoryPathToDB() into addParentPathToDB()
  ...

Conflicts:
	src/song.c

1 files changed, 34 insertions, 0 deletions

diff --git a/src/update.h b/src/update.h
new file mode 100644
index 000000000..0842c0df0
--- /dev/null
+++ b/src/update.h
@@ -0,0 +1,34 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * Copyright (C) 2008 Max Kellermann <max@duempel.org>
+ * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef UPDATE_H
+#define UPDATE_H
+
+unsigned isUpdatingDB(void);
+
+/*
+ * returns the positive update job ID on success,
+ * returns 0 if busy
+ * @path will be freed by this function and should not be reused
+ */
+unsigned directory_update_init(char *path);
+
+void reap_update_task(void);
+
+#endif