diff options
Diffstat (limited to 'procps')
| -rw-r--r-- | procps/renice.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/procps/renice.c b/procps/renice.c new file mode 100644 index 000000000..af7ce94ca --- /dev/null +++ b/procps/renice.c @@ -0,0 +1,53 @@ +/* + * 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 "internal.h" +#include <stdio.h> +#include <errno.h> +#include <sys/time.h> +#include <sys/resource.h> + + +extern int renice_main(int argc, char **argv) +{ + int prio, err = 0; + + 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 { + fprintf(stderr, "renice: %d: setpriority: ", ps); + perror(""); + err = 1; + } + } + exit(err); +} |