K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2014-12-08T16:02:02.345153Z
K 7
svn:log
V 499
When process is exiting, check for suspension regardless of
multithreaded status of the process.

The stopped state must be cleared before P_WEXIT is set.  A stop
signal delivered just before first PROC_LOCK() block in exit1(9) would
put the process into pending stop with P_WEXIT set or assertion
triggered.  Also recheck for the suspension after failed
thread_single(9) call, since process lock could be dropped.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END