K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2019-07-25T17:33:44.787868Z
K 7
svn:log
V 324
MFC r350116:

Document that setmode(3) is not thread safe.

In some circumstances, setmode(3) may call umask(2) twice to retrieve
the current mode and then restore it.  Between calls, the process will
have a umask of 0.

Reviewed by:	markj
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D20982

END