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67991cf824
done by Evin Robertson (bug#1105) and work from Manuel to make usage messages occupy less space and simplify how usage messages are displayed.
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* Mini renice implementation for busybox
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*
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*
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* Copyright (C) 2000 Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "busybox.h"
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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extern int renice_main(int argc, char **argv)
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{
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int prio, status = EXIT_SUCCESS;
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if (argc < 3) show_usage();
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prio = atoi(*++argv);
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if (prio > 20) prio = 20;
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if (prio < -20) prio = -20;
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while (*++argv) {
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int ps = atoi(*argv);
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int oldp = getpriority(PRIO_PROCESS, ps);
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if (setpriority(PRIO_PROCESS, ps, prio) == 0) {
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printf("%d: old priority %d, new priority %d\n", ps, oldp, prio );
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} else {
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perror_msg("%d: setpriority", ps);
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status = EXIT_FAILURE;
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}
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}
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return status;
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}
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