K 10
svn:author
V 7
iwasaki
K 8
svn:date
V 27
2008-02-06T01:34:18.000000Z
K 7
svn:log
V 179
MFC revision:	subr_bus.c:1.204,  bus.h:1.79

Add devctl_process_running() so that power management system driver
can check whether devd(8) is running.

Approved by:	re (kensmith)

END