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