2 * Mini renice implementation for busybox
5 * Copyright (C) 2000 Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <sys/resource.h>
30 extern int renice_main(int argc, char **argv)
32 int prio, status = EXIT_SUCCESS;
34 if (argc < 3) usage(renice_usage);
37 if (prio > 20) prio = 20;
38 if (prio < -20) prio = -20;
42 int oldp = getpriority(PRIO_PROCESS, ps);
44 if (setpriority(PRIO_PROCESS, ps, prio) == 0) {
45 printf("%d: old priority %d, new priority %d\n", ps, oldp, prio );
47 perror_msg("%d: setpriority", ps);
48 status = EXIT_FAILURE;