K 10
svn:author
V 4
ngie
K 8
svn:date
V 27
2017-02-09T21:19:24.952366Z
K 7
svn:log
V 393
MFC r279154,r279397:

r279154 (by jilles):

nice(): Correct return value and [EPERM] error.

PR:		189821
Obtained from:	NetBSD
Relnotes:	yes

r279397 (by jilles):

nice(): Put back old return value, keeping [EPERM] error.

Commit r279154 changed the API and ABI significantly, and {NZERO} is still
wrong.

Also, preserve errno on success instead of setting it to 0.

PR:		189821
Relnotes:	yes

END