CVS: cvs.openbsd.org: src

[Artur Grabowski <art_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org>]

CVSROOT:	/cvs
Module name:	src
Changes by:	art_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2004/07/20 14:15:14

Modified files:
	sys/conf       : files 
Added files:
	sys/sys        : mutex.h 
	sys/kern       : subr_mutex.c 

Log message:
Introducing mutexes - cpu-owned spinning locks with spl semantics.

This is the MI (slightly inefficient and not MP safe) implementation.

deraadt@ ok Tested by many. (this and following commits)