cosmopolitan/build/actuallynice

30 lines
689 B
Bash
Executable File

#!/bin/sh
#-*-mode:sh;indent-tabs-mode:nil;tab-width:2;coding:utf-8-*-┐
#───vi: set net ft=sh ts=2 sts=2 fenc=utf-8 :vi─────────────┘
#
# SYNOPSIS
#
# Program Deprioritizer
#
# OVERVIEW
#
# This is a drop-in replacement for the traditional Unix `nice`
# command that also invokes `ionice`, which is important, since
# network and traffic is usually what clobber the system.
if [ -z "$IONICE" ]; then
if IONICE=$(command -v ionice 2>/dev/null); then
IONICE="$IONICE -c3"
fi
fi
if [ -z "$NICE" ]; then
NICE=$(command -v nice 2>/dev/null)
fi
if [ -z "$IONICE$NICE" ]; then
echo "error: can't be nice" >&2
fi
exec $IONICE $NICE "$@"