Original commit message from CVS:
- First pass at cleaning up the atomic mess
- moved weird asm to datastructure that makes sense
- this should also make the trasition to libatomic less painful
Original commit message from CVS:
- added GstEventMask to specify event masks (next set of commits)
- use flags for seek methods (for use in masks)
- removed #if 0 from gstmemchunk.h
Original commit message from CVS:
- Added a bunch of fast atomic operations on x86 with C fallbacks
- Added the code for refcounting in GstData
- Added a gstmemchunk allocator using atomic operations
