Eric Andersen | bf960f5 | 2000-07-21 21:32:12 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Mini renice implementation for busybox |
| 3 | * |
| 4 | * |
| 5 | * Copyright (C) 2000 Dave 'Kill a Cop' Cinege <dcinege@psychosis.com> |
| 6 | * |
| 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. |
| 11 | * |
| 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. |
| 16 | * |
| 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 |
| 20 | * |
| 21 | */ |
| 22 | |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 23 | #include "busybox.h" |
Eric Andersen | bf960f5 | 2000-07-21 21:32:12 +0000 | [diff] [blame] | 24 | #include <stdio.h> |
| 25 | #include <errno.h> |
| 26 | #include <sys/time.h> |
| 27 | #include <sys/resource.h> |
| 28 | |
| 29 | |
| 30 | extern int renice_main(int argc, char **argv) |
| 31 | { |
Matt Kraai | deb9d4d | 2000-12-05 20:07:27 +0000 | [diff] [blame] | 32 | int prio, status = EXIT_SUCCESS; |
Eric Andersen | bf960f5 | 2000-07-21 21:32:12 +0000 | [diff] [blame] | 33 | |
| 34 | if (argc < 3) usage(renice_usage); |
| 35 | |
| 36 | prio = atoi(*++argv); |
| 37 | if (prio > 20) prio = 20; |
| 38 | if (prio < -20) prio = -20; |
| 39 | |
| 40 | while (*++argv) { |
| 41 | int ps = atoi(*argv); |
| 42 | int oldp = getpriority(PRIO_PROCESS, ps); |
| 43 | |
| 44 | if (setpriority(PRIO_PROCESS, ps, prio) == 0) { |
| 45 | printf("%d: old priority %d, new priority %d\n", ps, oldp, prio ); |
| 46 | } else { |
Matt Kraai | deb9d4d | 2000-12-05 20:07:27 +0000 | [diff] [blame] | 47 | perrorMsg("%d: setpriority", ps); |
| 48 | status = EXIT_FAILURE; |
Eric Andersen | bf960f5 | 2000-07-21 21:32:12 +0000 | [diff] [blame] | 49 | } |
| 50 | } |
Matt Kraai | deb9d4d | 2000-12-05 20:07:27 +0000 | [diff] [blame] | 51 | |
| 52 | return status; |
Eric Andersen | bf960f5 | 2000-07-21 21:32:12 +0000 | [diff] [blame] | 53 | } |