Before fork() would break VLC's own sigmask.
After exec*() would rely on the children program to do it (and many don't).

 - Use module_Exists as appropriate
 - Rename module_FindName as module_Find

- Add block_fifowake

Don't free() a char variable when it is on the stack (in src/modules/modules.c SaveCache()) and be more sane about contents of psz_filename.

remove that kludge to use playlistwidget for getting art for
backgroundwidget, use callback instead and check need of update every
750ms.

control/media_list_view.c: Don't lock the mlist in libvlc_media_list_view_set_ml_notification_callback.

misc/threads.c: Implement vlc_threads_error(), that is called when an error is encountered in the threading system. The whole point of this is to ease debugging of such situation, by exposing a nice symbol on which we can break. (This costs nearly nothing).

MacOSX/Framework/VLCMediaListAspect.m: Use the cachedMedia array when giving back the aspect items. That really boost performances by the way.

on Glen Gray patch.
(The code is commented until it is confirmed to compil/work.)

Based on a patch by Glen Gray.

DEMUX_CAN_PAUSE and DEMUX_CAN_CONTROL_PACE can now fail.

MacOSX/Framework/VLCMedia.m: Don't forget to init the metaDictionary, when initing from a media_descriptor object.