git: nice(3): Return EPERM if increment is negative.

[Stathis Kamperis]

commit ca4be72f67ccf3d94662ed2661e3e55aa159f642
Author: Stathis Kamperis <beket at dragonflybsd.org>
Date:   Fri Jan 8 20:04:44 2010 +0200

    nice(3): Return EPERM if increment is negative.
    
    Mandated by POSIX.

Summary of changes:
 lib/libc/gen/nice.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ca4be72f67ccf3d94662ed2661e3e55aa159f642


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