K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2020-04-21T17:13:06.634939Z
K 7
svn:log
V 300
Handle PCATCH in blockcount_sleep() so it can be interrupted.

blockcount_wait() still unconditionally waits for the count to reach
zero before returning.

Tested by:	pho (a larger patch)
Reviewed by:	kib
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D24513

END