K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2018-12-19T17:52:56.661128Z
K 7
svn:log
V 309
MFS11 r340290: Only clear a pending thread event if one is pending.

This fixes a panic when attaching to an already-stopped process.

Also do some other clean ups for control flow of sendsig section.

Submitted by:	markj
Approved by:	so
Security:	FreeBSD-EN-18:16.ptrace
Sponsored by:	The FreeBSD Foundation

END