jhb 3fb1eb1627 Expose sx_xholder() as a public macro. It returns a pointer to the thread
that holds the current exclusive lock, or NULL if no thread holds an
exclusive lock.

Requested by:	pjd
2007-05-19 20:18:12 +00:00
..
2007-05-19 04:48:08 +00:00
2007-05-15 23:29:57 +00:00
2007-05-05 11:07:52 +00:00
2006-11-28 19:33:28 +00:00
2007-05-09 09:02:11 +00:00